[ { "tag": "dhcp-relay-discard", "regex": "Discarding packet received on ([a-zA-Z0-9-_]*) interface that has no IPv4 address assigned.", "params": [ "ifname" ] }, { "tag": "dhcp-relay-bind-failure", "regex": "Failed to bind socket to (link local|global) ipv6 address on interface ([a-zA-Z0-9]*)", "params": [ "type:ret=(arg==\"link local\")and\"local\"or\"global\")", "vlan" ] } ]