item(IPV4_PREFIX_TKN) // IPV4 network prefixes
item(IPV6_TKN) // IPV6 prefixes
item(IPV6_PREFIX_TKN) // IPV6 network prefixes
+ item(MAC_TKN) // MAC address
+ item(MAC_PREFIX_TKN) // MAC address with mask
/* plumbing types */
item(FORK_TKN) item(JOIN_TKN) item(START_TKN)