Some of the transaction code that was added was removed in the L3 patch
for nvp. This reintroduced the logic where ports would be created in the
quantum db with admin_state_up=False. This caused L3 gateway patch ports
to be created with admin_state_up=False.
Fixes bug 1122563
Change-Id: Ifc52eab8665e41d64975856e4693b6ed91bc5b45