Sync oslo gettextutils

Change-Id: Id347e157ca2ccefe510b3328ea0047c87f25b3e4
Separate packet filter activation from port operation in NEC Plugin

Fixes: bug #1209422
Change-Id: I5480e0798e64221f2f096732db6584634caddfb1
Merge "Separate packet filter activation from port operation in NEC Plugin"
Merge "Sync oslo gettextutils"