table inet t { map m1 { typeof udp length . @ih,32,32 : verdict flags interval elements = { 20-80 . 0x14 : accept, 1-10 . 0xa : drop } } map m2 { typeof udp length . @ih,32,32 : verdict elements = { 30 . 0x1e : drop, 20 . 0x24 : accept } } chain c { udp length . @ih,32,32 vmap @m1 udp length . @ih,32,32 vmap @m2 udp length . @th,160,128 vmap { 47-63 . 0xe373135363130333131303735353203 : accept } } }