On Sun, Sep 04, 2022 at 02:05:20PM +0000, David Laight wrote: > Sometime after 5.10.105 (5.10.132 and 6.0) there is a change that > makes setns(open("/proc/1/ns/net")) in the main process change > the behaviour of other process threads. Can you use 'git bisect' to find the offending commit? thanks, greg k-h