Enforce log hints in neutron.services.l3_router

This change enforces log hints use and removes debug level log
translation, modifications are validated through a hacking rule.

Validate that hacking rules apply to directories:
    - neutron/services/l3_router

Change-Id: I2a832c5e0c4ed2a944d199d6a2d6233b8cf838dd
Partial-bug: #1320867
Enforce log hints in neutron.services.firewall

This change enforces log hints use and removes debug level log
translation, modifications are validated through a hacking rule.

Validate that hacking rules apply to directories:
    - neutron/services/firewall

Change-Id: Ie3f75fe207652cbd800cef067a89a819696d1f3a
Partial-bug: #1320867
Enforce log hints in neutron.services.loadbalancer

This change enforces log hints use and removes debug level log
translation, modifications are validated through a hacking rule and
the change respects loggging guidelines.

Validate that hacking rules apply to directories:
    - neutron/services/loadbalancer

Change-Id: I5f2a1a8861728399f3852fc9704eb160c35f7f8d
Partial-bug: #1320867
Drop RpcProxy usage from LBaaS code

Update the LBaaS code to stop using the RpcProxy compatibility class.
The equivalent direct usage of oslo.messaging APIs are now used
instead.

Part of blueprint drop-rpc-compat.

Change-Id: I381394507e4f2daf6d774f70087fef8833c9bab5
Merge "Enforce log hints in neutron.services.l3_router"
Merge "Enforce log hints in neutron.services.firewall"
Merge "Enforce log hints in neutron.services.loadbalancer"
Merge "Drop RpcProxy usage from LBaaS code"