[Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

--- Comment #8 from Lukas Doktor  ---
Thank you, this seems to be working fine on docker-1.2.0-19.el7.x86_64 (apart
from the usually broken signals...)