nl_l3: del_l3_neigh_egress: handle bridge SVIs
nl_l3: del_l3_neigh_egress: handle bridge SVIs

Ensure we get the proper port ifindex when trying to remoe the l3_egress.

Signed-off-by: Jonas Gorski <9712c064bde5a52658fc87d6454b4956f9bf286b@bisdn.de>

bisdn/basebox,bisdn/basebox,bisdn/basebox,bisdn/basebox