In the logs I can see the provisioning network VLAN tagged on both switches but for the tenant network VLAN it only happened on SW11.
$ grep -ri "Successfully bound port" neutron-server.log.1:2018-03-26 18:19:55.811 27 INFO networking_generic_switch.generic_switch_mech [req-1596620f-b5bb-4925-8876-994458e31c43 a1202baec4954680ab2ac3bc4b9c39c2 0b096e2e85b64812b7ed348d8a6f3fd5 - default default] Successfully bound port 6b44c197-0327-449b-9d79-604f6d72ad1f in segment 65 on device SW11
neutron-server.log.1:2018-03-26 18:20:09.384 27 INFO networking_generic_switch.generic_switch_mech [req-8dfd8a7a-5150-4878-b59d-29aea1ab55e7 a1202baec4954680ab2ac3bc4b9c39c2 0b096e2e85b64812b7ed348d8a6f3fd5 - default default] Successfully bound port 908821df-ef7e-4557-b4e7-532c5a329934 in segment 65 on device SW12
neutron-server.log.1:2018-03-26 18:28:44.912 26 INFO networking_generic_switch.generic_switch_mech [req-ce807910-c956-4ac6-ad93-faa6db6ae753 a1202baec4954680ab2ac3bc4b9c39c2 0b096e2e85b64812b7ed348d8a6f3fd5 - default default] Successfully bound port 0562ecb1-7c90-4585-9d48-30c08bc15932 in segment 1100 on device SW11
In the logs I can see the provisioning network VLAN tagged on both switches but for the tenant network VLAN it only happened on SW11.
$ grep -ri "Successfully bound port" server. log.1:2018- 03-26 18:19:55.811 27 INFO networking_ generic_ switch. generic_ switch_ mech [req-1596620f- b5bb-4925- 8876-994458e31c 43 a1202baec495468 0ab2ac3bc4b9c39 c2 0b096e2e85b6481 2b7ed348d8a6f3f d5 - default default] Successfully bound port 6b44c197- 0327-449b- 9d79-604f6d72ad 1f in segment 65 on device SW11
neutron-
neutron- server. log.1:2018- 03-26 18:20:09.384 27 INFO networking_ generic_ switch. generic_ switch_ mech [req-8dfd8a7a- 5150-4878- b59d-29aea1ab55 e7 a1202baec495468 0ab2ac3bc4b9c39 c2 0b096e2e85b6481 2b7ed348d8a6f3f d5 - default default] Successfully bound port 908821df- ef7e-4557- b4e7-532c5a3299 34 in segment 65 on device SW12
neutron- server. log.1:2018- 03-26 18:28:44.912 26 INFO networking_ generic_ switch. generic_ switch_ mech [req-ce807910- c956-4ac6- ad93-faa6db6ae7 53 a1202baec495468 0ab2ac3bc4b9c39 c2 0b096e2e85b6481 2b7ed348d8a6f3f d5 - default default] Successfully bound port 0562ecb1- 7c90-4585- 9d48-30c08bc159 32 in segment 1100 on device SW11