
[DEFAULT]/network_device_mtu option is deprecated and will be removed in Newton. However, new [ml2]/segment_mtu is deprecated too according to neutron/common/config.py. This patch replaces network_device_mtu with new [DEFAULT]/global_physnet_mtu. Change-Id: I9eb5df274e5d7f1f89c5f894526d07d20d4cd794 Closes-bug: #1565036