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Cannot connect from Docker containers to the outside #1936
Since the update to 1353.6.0 we experience network issues when trying to ping from a docker container to the outside.
Container Linux Version
Pinging to 18.104.22.168 from a Docker container in a docker network should result in no pakket loss.
When creating a new docker network and trying to connect to the world, sometimes a network is created in which no connections are possible to the outside.
Repeat this several times, and sometimes 100% packet loss.
@pietervisser I guess you are running the above command in a while loop. Can you please check if you can reproduce the same issue with unique network names (e.g.
@lucab, thanks but no I'm not running it in a while loop. Executing this just a couple of times manually will result in connection issues. To be sure, I used unique networks and can still reproduce this issue. Use could use this loop to reproduce the issue.
To clarify the actual issue: this is basically a redux of #1554, but for the bridge interfaces
I'm not sure the exact root cause. I can't reproduce this on the old stable and the docker version there was identical.
We'll add a test for
Thanks for reporting.
I am experiencing network problems with the current version 1353.7.0 which did not occur before (at least not before 1353.6.0, I am not sure when this happened first).
When the coreos server is restarted (or the networks are removed), the apps are accessible from the outside when using