Reduce extension logging on init
Reduce extension logging on init

Reduce from 4 separate lines into 1

TrivialFix

Change-Id: I137944fe4c6cfbb1e27ad4e4a233d4220642f3e4

huntxu/neutron,noironetworks/neutron,mahak/neutron,noironetworks/neutron,mahak/neutron,openstack/neutron,openstack/neutron,openstack/neutron,eayunstack/neutron,huntxu/neutron,mahak/neutron,eayunstack/neutron