tests: py: update format of registers in bitwise payloads.

libnftnl has been changed to bring the format of registers in bitwise
dumps in line with those in other types of expression.  Update the
expected output of Python test-cases.

Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

6 files changed, 86 insertions, 86 deletions

diff --git a/tests/py/ip/ip.t.payload b/tests/py/ip/ip.t.payload
index 825c0f0b..161ff0a5 100644
--- a/tests/py/ip/ip.t.payload
+++ b/tests/py/ip/ip.t.payload
@@ -1,25 +1,25 @@
 # ip dscp cs1
 ip test-ip4 input
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000020 ]
 
 # ip dscp != cs1
 ip test-ip4 input
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp neq reg 1 0x00000020 ]
 
 # ip dscp 0x38
 ip test-ip4 input
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x000000e0 ]
 
 # ip dscp != 0x20
 ip test-ip4 input
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp neq reg 1 0x00000080 ]
 
 # ip dscp {cs0, cs1, cs2, cs3, cs4, cs5, cs6, cs7, af11, af12, af13, af21, af22, af23, af31, af32, af33, af41, af42, af43, ef}
@@ -28,7 +28,7 @@ __set%d test-ip4 0
         element 00000020  : 0 [end]     element 00000040  : 0 [end]     element 00000060  : 0 [end]     element 00000080  : 0 [end]    element 000000a0  : 0 [end]      element 000000c0  : 0 [end]     element 000000e0  : 0 [end]     element 00000000  : 0 [end]     element 00000028  : 0 [end]     element 00000030  : 0 [end]     element 00000038  : 0 [end]     element 00000048  : 0 [end]     element 00000050  : 0 [end]     element 00000058  : 0 [end]     element 00000068  : 0 [end]     element 00000070  : 0 [end]     element 00000078  : 0 [end]     element 00000088  : 0 [end]     element 00000090  : 0 [end]     element 00000098  : 0 [end]     element 000000b8  : 0 [end]
 ip test-ip4 input
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ lookup reg 1 set __set%d ]
 
 # ip dscp != {cs0, cs3}
@@ -37,7 +37,7 @@ __set%d test-ip4 0
         element 00000000  : 0 [end]     element 00000060  : 0 [end]
 ip test-ip4 input
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ lookup reg 1 set __set%d 0x1 ]
 
 # ip dscp vmap { cs1 : continue , cs4 : accept } counter
@@ -46,7 +46,7 @@ __map%d test-ip4 0
 	element 00000020  : 0 [end]	element 00000080  : 0 [end]
 ip test-ip4 input 
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ lookup reg 1 set __map%d dreg 0 ]
   [ counter pkts 0 bytes 0 ]
 
@@ -487,19 +487,19 @@ ip test-ip4 input
 # ip saddr & 0xff == 1
 ip test-ip4 input
   [ payload load 4b @ network header + 12 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0xff000000 ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0xff000000 ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x01000000 ]
 
 # ip saddr & 0.0.0.255 < 0.0.0.127
 ip test-ip4 input
   [ payload load 4b @ network header + 12 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0xff000000 ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0xff000000 ) ^ 0x00000000 ]
   [ cmp lt reg 1 0x7f000000 ]
 
 # ip saddr & 0xffff0000 == 0xffff0000
 ip test-ip4 input
   [ payload load 4b @ network header + 12 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000ffff ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000ffff ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x0000ffff ]
 
 # ip saddr . ip daddr . ip protocol { 1.1.1.1 . 2.2.2.2 . tcp, 1.1.1.1 . 3.3.3.3 . udp}
@@ -515,22 +515,22 @@ ip test-ip input
 # ip version 4 ip hdrlength 5
 ip test-ip4 input
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000f0 ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000f0 ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000040 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000005 ]
 
 # ip hdrlength 0
 ip test-ip4 input
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000000 ]
 
 # ip hdrlength 15
 ip test-ip4 input
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x0000000f ]
 
 # ip hdrlength vmap { 0-4 : drop, 5 : accept, 6 : continue } counter
@@ -539,7 +539,7 @@ __map%d test-ip4 0
 	element 00000000  : 0 [end]	element 00000005  : 0 [end]	element 00000006  : 0 [end]	element 00000007  : 1 [end]
 ip test-ip4 input 
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ lookup reg 1 set __map%d dreg 0 ]
   [ counter pkts 0 bytes 0 ]
 
@@ -569,7 +569,7 @@ ip test-ip4 input
   [ meta load iif => reg 1 ]
   [ cmp eq reg 1 0x00000001 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000fcff ) ^ 0x00000100 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000fcff ) ^ 0x00000100 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip ecn set ce
@@ -577,7 +577,7 @@ ip test-ip4 input
   [ meta load iif => reg 1 ]
   [ cmp eq reg 1 0x00000001 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000fcff ) ^ 0x00000300 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000fcff ) ^ 0x00000300 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip dscp set af23
@@ -585,7 +585,7 @@ ip test-ip4 input
   [ meta load iif => reg 1 ]
   [ cmp eq reg 1 0x00000001 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000003ff ) ^ 0x00005800 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000003ff ) ^ 0x00005800 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip dscp set cs0
@@ -593,7 +593,7 @@ ip test-ip4 input
   [ meta load iif => reg 1 ]
   [ cmp eq reg 1 0x00000001 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000003ff ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000003ff ) ^ 0x00000000 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip ttl set 23
@@ -601,7 +601,7 @@ ip test-ip4 input
   [ meta load iif => reg 1 ]
   [ cmp eq reg 1 0x00000001 ]
   [ payload load 2b @ network header + 8 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000ff00 ) ^ 0x00000017 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000ff00 ) ^ 0x00000017 ]
   [ payload write reg 1 => 2b @ network header + 8 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip protocol set 1
@@ -609,6 +609,6 @@ ip test-ip4 input
   [ meta load iif => reg 1 ]
   [ cmp eq reg 1 0x00000001 ]
   [ payload load 2b @ network header + 8 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000ff ) ^ 0x00000100 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000ff ) ^ 0x00000100 ]
   [ payload write reg 1 => 2b @ network header + 8 csum_type 1 csum_off 10 csum_flags 0x1 ]
 
diff --git a/tests/py/ip/ip.t.payload.bridge b/tests/py/ip/ip.t.payload.bridge
index e958a5b4..6ac5e740 100644
--- a/tests/py/ip/ip.t.payload.bridge
+++ b/tests/py/ip/ip.t.payload.bridge
@@ -3,7 +3,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000020 ]
 
 # ip dscp != cs1
@@ -11,7 +11,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp neq reg 1 0x00000020 ]
 
 # ip dscp 0x38
@@ -19,7 +19,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x000000e0 ]
 
 # ip dscp != 0x20
@@ -27,7 +27,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp neq reg 1 0x00000080 ]
 
 # ip dscp {cs0, cs1, cs2, cs3, cs4, cs5, cs6, cs7, af11, af12, af13, af21, af22, af23, af31, af32, af33, af41, af42, af43, ef}
@@ -38,7 +38,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ lookup reg 1 set __set%d ]
 
 # ip dscp != {cs0, cs3}
@@ -49,7 +49,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ lookup reg 1 set __set%d 0x1 ]
 
 # ip dscp vmap { cs1 : continue , cs4 : accept } counter
@@ -60,7 +60,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ lookup reg 1 set __map%d dreg 0 ]
   [ counter pkts 0 bytes 0 ]
 
@@ -637,7 +637,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 4b @ network header + 12 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0xff000000 ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0xff000000 ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x01000000 ]
 
 # ip saddr & 0.0.0.255 < 0.0.0.127
@@ -645,7 +645,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 4b @ network header + 12 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0xff000000 ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0xff000000 ) ^ 0x00000000 ]
   [ cmp lt reg 1 0x7f000000 ]
 
 # ip saddr & 0xffff0000 == 0xffff0000
@@ -653,7 +653,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 4b @ network header + 12 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000ffff ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000ffff ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x0000ffff ]
 
 # ip version 4 ip hdrlength 5
@@ -661,10 +661,10 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000f0 ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000f0 ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000040 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000005 ]
 
 # ip hdrlength 0
@@ -672,7 +672,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000000 ]
 
 # ip hdrlength 15
@@ -680,7 +680,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x0000000f ]
 
 # ip hdrlength vmap { 0-4 : drop, 5 : accept, 6 : continue } counter
@@ -691,7 +691,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ lookup reg 1 set __map%d dreg 0 ]
   [ counter pkts 0 bytes 0 ]
 
@@ -729,7 +729,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000fcff ) ^ 0x00000100 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000fcff ) ^ 0x00000100 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip ecn set ce
@@ -739,7 +739,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000fcff ) ^ 0x00000300 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000fcff ) ^ 0x00000300 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip ttl set 23
@@ -749,7 +749,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 2b @ network header + 8 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000ff00 ) ^ 0x00000017 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000ff00 ) ^ 0x00000017 ]
   [ payload write reg 1 => 2b @ network header + 8 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip protocol set 1
@@ -759,7 +759,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 2b @ network header + 8 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000ff ) ^ 0x00000100 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000ff ) ^ 0x00000100 ]
   [ payload write reg 1 => 2b @ network header + 8 csum_type 1 csum_off 10 csum_flags 0x1 ]
 
 # iif "lo" ip dscp set af23
@@ -769,7 +769,7 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000003ff ) ^ 0x00005800 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000003ff ) ^ 0x00005800 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip dscp set cs0
@@ -779,6 +779,6 @@ bridge test-bridge input
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000003ff ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000003ff ) ^ 0x00000000 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
diff --git a/tests/py/ip/ip.t.payload.inet b/tests/py/ip/ip.t.payload.inet
index 65014739..c1d70748 100644
--- a/tests/py/ip/ip.t.payload.inet
+++ b/tests/py/ip/ip.t.payload.inet
@@ -3,7 +3,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000020 ]
 
 # ip dscp != cs1
@@ -11,7 +11,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp neq reg 1 0x00000020 ]
 
 # ip dscp 0x38
@@ -19,7 +19,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x000000e0 ]
 
 # ip dscp != 0x20
@@ -27,7 +27,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp neq reg 1 0x00000080 ]
 
 # ip dscp {cs0, cs1, cs2, cs3, cs4, cs5, cs6, cs7, af11, af12, af13, af21, af22, af23, af31, af32, af33, af41, af42, af43, ef}
@@ -38,7 +38,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ lookup reg 1 set __set%d ]
 
 # ip dscp != {cs0, cs3}
@@ -49,7 +49,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ lookup reg 1 set __set%d 0x1 ]
 
 # ip dscp vmap { cs1 : continue , cs4 : accept } counter
@@ -60,7 +60,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ lookup reg 1 set __map%d dreg 0 ]
   [ counter pkts 0 bytes 0 ]
 
@@ -637,7 +637,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 4b @ network header + 12 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0xff000000 ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0xff000000 ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x01000000 ]
 
 # ip saddr & 0.0.0.255 < 0.0.0.127
@@ -645,7 +645,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 4b @ network header + 12 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0xff000000 ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0xff000000 ) ^ 0x00000000 ]
   [ cmp lt reg 1 0x7f000000 ]
 
 # ip saddr & 0xffff0000 == 0xffff0000
@@ -653,7 +653,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 4b @ network header + 12 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000ffff ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000ffff ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x0000ffff ]
 
 # ip saddr . ip daddr . ip protocol { 1.1.1.1 . 2.2.2.2 . tcp, 1.1.1.1 . 3.3.3.3 . udp}
@@ -673,10 +673,10 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000f0 ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000f0 ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000040 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000005 ]
 
 # ip hdrlength 0
@@ -684,7 +684,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000000 ]
 
 # ip hdrlength 15
@@ -692,7 +692,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x0000000f ]
 
 # ip hdrlength vmap { 0-4 : drop, 5 : accept, 6 : continue } counter
@@ -703,7 +703,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ lookup reg 1 set __map%d dreg 0 ]
   [ counter pkts 0 bytes 0 ]
 
@@ -741,7 +741,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000fcff ) ^ 0x00000100 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000fcff ) ^ 0x00000100 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip ecn set ce
@@ -751,7 +751,7 @@ inet test-netdev ingress
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000fcff ) ^ 0x00000300 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000fcff ) ^ 0x00000300 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip dscp set af23
@@ -761,7 +761,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000003ff ) ^ 0x00005800 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000003ff ) ^ 0x00005800 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip dscp set cs0
@@ -771,7 +771,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000003ff ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000003ff ) ^ 0x00000000 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip ttl set 23
@@ -781,7 +781,7 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 2b @ network header + 8 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000ff00 ) ^ 0x00000017 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000ff00 ) ^ 0x00000017 ]
   [ payload write reg 1 => 2b @ network header + 8 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip protocol set 1
@@ -791,6 +791,6 @@ inet test-inet input
   [ meta load nfproto => reg 1 ]
   [ cmp eq reg 1 0x00000002 ]
   [ payload load 2b @ network header + 8 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000ff ) ^ 0x00000100 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000ff ) ^ 0x00000100 ]
   [ payload write reg 1 => 2b @ network header + 8 csum_type 1 csum_off 10 csum_flags 0x1 ]
 
diff --git a/tests/py/ip/ip.t.payload.netdev b/tests/py/ip/ip.t.payload.netdev
index 58ae358b..01044a58 100644
--- a/tests/py/ip/ip.t.payload.netdev
+++ b/tests/py/ip/ip.t.payload.netdev
@@ -536,7 +536,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 4b @ network header + 12 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0xff000000 ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0xff000000 ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x01000000 ]
 
 # ip saddr & 0.0.0.255 < 0.0.0.127
@@ -544,7 +544,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 4b @ network header + 12 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0xff000000 ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0xff000000 ) ^ 0x00000000 ]
   [ cmp lt reg 1 0x7f000000 ]
 
 # ip saddr & 0xffff0000 == 0xffff0000
@@ -552,7 +552,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 4b @ network header + 12 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000ffff ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000ffff ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x0000ffff ]
 
 # ip version 4 ip hdrlength 5
@@ -560,10 +560,10 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000f0 ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000f0 ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000040 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000005 ]
 
 # ip hdrlength 0
@@ -571,7 +571,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000000 ]
 
 # ip hdrlength 15
@@ -579,7 +579,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x0000000f ]
 
 # ip hdrlength vmap { 0-4 : drop, 5 : accept, 6 : continue } counter
@@ -590,7 +590,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000f ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000f ) ^ 0x00000000 ]
   [ lookup reg 1 set __map%d dreg 0 ]
   [ counter pkts 0 bytes 0 ]
 
@@ -746,7 +746,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x00000020 ]
 
 # ip dscp != cs1
@@ -754,7 +754,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp neq reg 1 0x00000020 ]
 
 # ip dscp 0x38
@@ -762,7 +762,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp eq reg 1 0x000000e0 ]
 
 # ip dscp != 0x20
@@ -770,7 +770,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ cmp neq reg 1 0x00000080 ]
 
 # ip dscp {cs0, cs1, cs2, cs3, cs4, cs5, cs6, cs7, af11, af12, af13, af21, af22, af23, af31, af32, af33, af41, af42, af43, ef}
@@ -781,7 +781,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ lookup reg 1 set __set%d ]
 
 # ip dscp != {cs0, cs3}
@@ -792,7 +792,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ lookup reg 1 set __set%d 0x1 ]
 
 # ip dscp vmap { cs1 : continue , cs4 : accept } counter
@@ -803,7 +803,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 1b @ network header + 1 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000fc ) ^ 0x00000000 ]
   [ lookup reg 1 set __map%d dreg 0 ]
   [ counter pkts 0 bytes 0 ]
 
@@ -841,7 +841,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000fcff ) ^ 0x00000100 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000fcff ) ^ 0x00000100 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip ecn set ce
@@ -851,7 +851,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000fcff ) ^ 0x00000300 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000fcff ) ^ 0x00000300 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip dscp set af23
@@ -861,7 +861,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000003ff ) ^ 0x00005800 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000003ff ) ^ 0x00005800 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip dscp set cs0
@@ -871,7 +871,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 2b @ network header + 0 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000003ff ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000003ff ) ^ 0x00000000 ]
   [ payload write reg 1 => 2b @ network header + 0 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip ttl set 23
@@ -881,7 +881,7 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 2b @ network header + 8 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000ff00 ) ^ 0x00000017 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000ff00 ) ^ 0x00000017 ]
   [ payload write reg 1 => 2b @ network header + 8 csum_type 1 csum_off 10 csum_flags 0x0 ]
 
 # iif "lo" ip protocol set 1
@@ -891,6 +891,6 @@ netdev test-netdev ingress
   [ meta load protocol => reg 1 ]
   [ cmp eq reg 1 0x00000008 ]
   [ payload load 2b @ network header + 8 => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x000000ff ) ^ 0x00000100 ]
+  [ bitwise reg 1 = ( reg 1 & 0x000000ff ) ^ 0x00000100 ]
   [ payload write reg 1 => 2b @ network header + 8 csum_type 1 csum_off 10 csum_flags 0x1 ]
 
diff --git a/tests/py/ip/masquerade.t.payload b/tests/py/ip/masquerade.t.payload
index 0ba8d5a8..d5157d71 100644
--- a/tests/py/ip/masquerade.t.payload
+++ b/tests/py/ip/masquerade.t.payload
@@ -117,7 +117,7 @@ ip test-ip4 postrouting
   [ meta load iifname => reg 1 ]
   [ cmp eq reg 1 0x30687465 0x00000000 0x00000000 0x00000000 ]
   [ ct load state => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000a ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000a ) ^ 0x00000000 ]
   [ cmp neq reg 1 0x00000000 ]
   [ meta load l4proto => reg 1 ]
   [ cmp eq reg 1 0x00000006 ]
diff --git a/tests/py/ip/redirect.t.payload b/tests/py/ip/redirect.t.payload
index 7f8a74b0..bdfc6d72 100644
--- a/tests/py/ip/redirect.t.payload
+++ b/tests/py/ip/redirect.t.payload
@@ -199,7 +199,7 @@ ip test-ip4 output
   [ meta load iifname => reg 1 ]
   [ cmp eq reg 1 0x30687465 0x00000000 0x00000000 0x00000000 ]
   [ ct load state => reg 1 ]
-  [ bitwise reg 1 = (reg=1 & 0x0000000a ) ^ 0x00000000 ]
+  [ bitwise reg 1 = ( reg 1 & 0x0000000a ) ^ 0x00000000 ]
   [ cmp neq reg 1 0x00000000 ]
   [ meta load l4proto => reg 1 ]
   [ cmp eq reg 1 0x00000006 ]