Comment 2 for bug 1662620

Not sure if it will pass build, review or be acceptable as SRU since it is so low impact.
But the fix was so trivial that after all this time I'd feel bad to keep it as-is.

So I've prepared an MP to fix it
https://code.launchpad.net/~paelzer/ubuntu/+source/iproute2/+git/iproute2/+merge/409821

And a PPA with a test build
https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/4676/+packages