Usage: nl-monitor [OPTION] [<groups>]

Options
 -d, --debug=LEVEL     Set libnl debug level { 0 - 7 }
 -f, --format=TYPE     Output format { brief | details | stats }
 -h, --help            Show this help.

Known groups: link notify neigh tc ipv4-ifaddr ipv4-mroute ipv4-route ipv6-ifaddr ipv6-mroute ipv6-route ipv6-ifinfo decnet-ifaddr decnet-route ipv6-prefix ipv4-netconf ipv6-netconf mpls-netconf mdb