This indeed looks like a deadlock. It could be broken by openssh's if-
up.d script if it reloads ssh asynchronously instead of blocking on it.
It would be even better to finally get rid of this silly hack and make
openssh use IP_FREEBIND properly :-)
I'm very reluctant to make invoke-rc.d reload itself async. This is too
regression prone, as a scripts might depend on the reload actually being
done after the call.
Also, low priority. Restarting "networking" has never worked under
upstart at all, and it mostly works now (can't reproduce this on several
machines). So this is mostly a case of "don't do that then"..
** Package changed: ifupdown (Ubuntu) => openssh (Ubuntu)
** Changed in: openssh (Ubuntu)
Importance: Undecided => Low
** Changed in: openssh (Ubuntu)
Status: Confirmed => Triaged
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https://bugs.launchpad.net/bugs/1584393
Title:
systemctl restart networking hangs reloading ssh.service
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