On Tue, Jan 30, 2018 at 4:09 AM, Dmitry Vyukov <dvyu...@google.com> wrote: > Hello, > > The following program creates a hang in unregister_netdevice. > cleanup_net work hangs there forever periodically printing > "unregister_netdevice: waiting for lo to become free. Usage count = 3" > and creation of any new network namespaces hangs forever.
Interestingly, this is not reproducible on net-next.
