systemd, upstream commit id c2c13f2df42e0691aecabe3979ea81cd7faa35c7
You set MountFlags=slave just for keeping mounts done by udev rules
private to udevd.
So all block device mounted by systemd-udevd is unvisible for host.
I don't know why. And is there any bad effect, if I change slave to shared ?
Thanks for your help.
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