# tcp dport 22 ip daddr 1.2.3.4 ether saddr 00:0f:54:0c:11:04
netdev test-netdev ingress 
  [ meta load l4proto => reg 1 ]
  [ cmp eq reg 1 0x00000006 ]
  [ payload load 2b @ transport header + 2 => reg 1 ]
  [ cmp eq reg 1 0x00001600 ]
  [ meta load protocol => reg 1 ]
  [ cmp eq reg 1 0x00000008 ]
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ cmp eq reg 1 0x04030201 ]
  [ meta load iiftype => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 6b @ link header + 6 => reg 1 ]
  [ cmp eq reg 1 0x0c540f00 0x00000411 ]

# tcp dport 22 iiftype ether ip daddr 1.2.3.4 ether saddr 00:0f:54:0c:11:4 accept
netdev test-netdev ingress 
  [ meta load l4proto => reg 1 ]
  [ cmp eq reg 1 0x00000006 ]
  [ payload load 2b @ transport header + 2 => reg 1 ]
  [ cmp eq reg 1 0x00001600 ]
  [ meta load iiftype => reg 1 ]
  [ cmp eq reg 1 0x00000001 ]
  [ payload load 8b @ link header + 6 => reg 1 ]
  [ cmp eq reg 1 0x0c540f00 0x00080411 ]
  [ payload load 4b @ network header + 16 => reg 1 ]
  [ cmp eq reg 1 0x04030201 ]
  [ immediate reg 0 accept ]