[--may-exist] lrp-add router port mac network... [peer=peer]
              Creates on router a new logical router port named port
              with Ethernet address mac and one or more IP
              address/netmask for each network.
              The optional argument peer identifies a logical router
              port that connects to this one. The following example adds
              a router port with an IPv4 and IPv6 address with peer lr1:
              lrp-add lr0 lrp0 00:11:22:33:44:55 192.168.0.1/24
              2001:db8::1/64 peer=lr1
              It is an error if a logical router port named port already
              exists, unless --may-exist is specified. Regardless of
              --may-exist, it is an error if the existing router port is
              in some logical router other than router.
       [--if-exists] lrp-del port
              Deletes port. It is an error if port does not exist,
              unless --if-exists is specified.
       lrp-list router
              Lists all the logical router ports within router on
              standard output, one per line.
       lrp-set-enabled port state
              Set the administrative state of port, either enabled or
              disabled. When a port is disabled, no traffic is allowed
              into or out of the port.
       lrp-get-enabled port
              Prints the administrative state of port, either enabled or
              disabled.
       lrp-set-gateway-chassis port chassis [priority]
              Set gateway chassis for port. chassis is the name of the
              chassis. This creates a gateway chassis entry in
              Gateway_Chassis table. It won't check if chassis really
              exists in OVN_Southbound database. Priority will be set to
              0 if priority is not provided by user. priority must be
              between 0 and 32767, inclusive.
       lrp-del-gateway-chassis port chassis
              Deletes gateway chassis from port. It is an error if
              gateway chassis with chassis for port does not exist.
       lrp-get-gateway-chassis port
              Lists all the gateway chassis with priority within port on
              standard output, one per line, ordered based on priority.