# ip saddr @set1 drop
inet test-inet input
  [ meta load nfproto => reg 1 ]
  [ cmp eq reg 1 0x00000002 ]
  [ payload load 4b @ network header + 12 => reg 1 ]
  [ lookup reg 1 set set1 ]
  [ immediate reg 0 drop ]

# ip saddr @set2 drop
inet test-inet input
  [ meta load nfproto => reg 1 ]
  [ cmp eq reg 1 0x00000002 ]
  [ payload load 4b @ network header + 12 => reg 1 ]
  [ lookup reg 1 set set2 ]
  [ immediate reg 0 drop ]