Use --subproject instead of deprecated --service option
Use --subproject instead of deprecated --service option

The --service option to neutron-db-manage is deprecated and will be
removed soon. Use --subproject instead.

Related-Bug: #1501380

Change-Id: Ic21dab20c37990a444303c3e15ebb36e7269dc6c

noironetworks/networking-cisco,noironetworks/networking-cisco,openstack/networking-cisco,Tehsmash/networking-cisco,Gitweijie/first_project,openstack/networking-cisco,Gitweijie/first_project,Tehsmash/networking-cisco