More accurately, the clocks of the linux virtual machine running docker containers would differ from the OSX clock.
Those aren't really containers skewing from other processes on the same system as the parent describes, but of clocks skewing on two different systems (which is a totally normal thing we deal with regularly).
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IIRC Docker for Mac had a bug like this for a long time where the clocks of containers would become wildly out of date.
More accurately, the clocks of the linux virtual machine running docker containers would differ from the OSX clock.
Those aren't really containers skewing from other processes on the same system as the parent describes, but of clocks skewing on two different systems (which is a totally normal thing we deal with regularly).