skip networks, and routers if its tenant is not known to keystone
skip networks, and routers if its tenant is not known to keystone

Change-Id: Ie56e4ba879f087cf9562892f56447a20f879bf7f

wolverineav/networking-bigswitch,openstack/networking-bigswitch,openstack/networking-bigswitch,wolverineav/networking-bigswitch,stackforge/networking-bigswitch,stackforge/networking-bigswitch