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Created attachment 1279797 [details]
journal

Description of problem:
In the cockpit integration tests based on 7.4 Base + Extras nightlies, dockerd-current crashes.


Version-Release number of selected component (if applicable):
Installed Packages
Name        : docker
Arch        : x86_64
Epoch       : 3
Version     : 1.12.6
Release     : 19.1.git92b10e4.el7


How reproducible:
Always

Steps to Reproduce:
1. Run cockpit integration tests for docker
2. Failure at https://github.com/cockpit-project/cockpit/blob/ce1e4f03f0c5d3761e58e42d6eec2700d39cf4c0/test/verify/check-docker#L169


Additional info:
journal and screenshot attached

Created attachment 1279798 [details]
screenshot

Created attachment 1279799 [details]
another journal, different test

This also happens with another test, when trying to start a container.

*** This bug has been marked as a duplicate of bug 1449497 ***