# ct mark set jhash ip saddr . ip daddr mod 2 seed 0xdeadbeef
ip test-ip4 pre 
  [ payload load 4b @ network header + 12 => reg 2 ]
  [ payload load 4b @ network header + 16 => reg 13 ]
  [ hash reg 1 = jhash(reg 2, 8, 3735928559) % modulus 2]
  [ ct set mark with reg 1 ]

# dnat to jhash ip saddr mod 2 seed 0xdeadbeef map { 0 : 192.168.20.100, 1 : 192.168.30.100 }
__map%d test-ip4 b
__map%d test-ip4 0
	element 00000000  : 6414a8c0 0 [end]	element 01000000  : 641ea8c0 0 [end]
ip test-ip4 pre 
  [ payload load 4b @ network header + 12 => reg 2 ]
  [ hash reg 1 = jhash(reg 2, 4, 3735928559) % modulus 2]
  [ lookup reg 1 set __map%d dreg 1 ]
  [ nat dnat ip addr_min reg 1 addr_max reg 0 ]