Sebastiaan van Stijn a3ac156007 oci: WithDefaultUnixDevices(): remove tun/tap from the default devices ...

A container should not have access to tun/tap device, unless it is explicitly
specified in configuration.

This device was already removed from docker's default, and runc's default;

- 2ce40b6ad7
- 9c4570a958

Per the commit message in runc, this should also fix these messages;

> Apr 26 03:46:56 foo.bar systemd[1]: Couldn't stat device /dev/char/10:200: No such file or directory

coming from systemd on every container start, when the systemd cgroup driver
is used, and the system runs an old (< v240) version of systemd
(the message was presumably eliminated by [1]).

[1]: d5aecba6e0

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

2022-05-11 00:31:59 +02:00

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