# ip saddr @set1 drop
ip test-ip4 input
  [ payload load 4b @ network header + 12 => reg 1 ]
  [ lookup reg 1 set set1 ]
  [ immediate reg 0 drop ]

# ip saddr @set2 drop
ip test-ip4 input
  [ payload load 4b @ network header + 12 => reg 1 ]
  [ lookup reg 1 set set2 ]
  [ immediate reg 0 drop ]