Comment 0 for bug 1546849

Neutron supports router-interface-add and router-interface-delete
This support should be provided to osc while NeutronClient is migrating to OSC.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
usage: neutron router-interface-add [-h] [--request-format {json}]
                                    ROUTER INTERFACE

Add an internal network interface to a router.

positional arguments:
  ROUTER ID or name of the router.
  INTERFACE The format is "SUBNET|subnet=SUBNET|port=PORT". Either
                        a subnet or port must be specified. Both ID and name
                        are accepted as SUBNET or PORT. Note that "subnet="
                        can be omitted when specifying a subnet.

optional arguments:
  -h, --help show this help message and exit
  --request-format {json}
                        DEPRECATED! Only JSON request format is supported.
reedip@reedip-VirtualBox:/opt/stack/python-openstackclient$ neutron router-interface-delete --help
usage: neutron router-interface-delete [-h] [--request-format {json}]
                                       ROUTER INTERFACE

Remove an internal network interface from a router.

positional arguments:
  ROUTER ID or name of the router.
  INTERFACE The format is "SUBNET|subnet=SUBNET|port=PORT". Either
                        a subnet or port must be specified. Both ID and name
                        are accepted as SUBNET or PORT. Note that "subnet="
                        can be omitted when specifying a subnet.

optional arguments:
  -h, --help show this help message and exit
  --request-format {json}
                        DEPRECATED! Only JSON request format is supported.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~