85bcb524a2
The tunnel test leaves behind link devices created by the GRE kernel modules: $ ip -br link ... gre0@NONE DOWN 0.0.0.0 <NOARP> gretap0@NONE DOWN 00:00:00:00:00:00 <BROADCAST,MULTICAST> erspan0@NONE DOWN 00:00:00:00:00:00 <BROADCAST,MULTICAST> ip6tnl0@NONE DOWN :: <NOARP> ip6gre0@NONE DOWN 00:00:00:00: $ lsmod | grep gre ip6_gre 40960 0 ip6_tunnel 40960 1 ip6_gre ip_gre 32768 0 ip_tunnel 24576 1 ip_gre gre 16384 2 ip6_gre,ip_gre Check beforehand if the gre kernel module is loaded, and if not unload them all at the end of the test. This should avoid causing problems if a user is already using GRE for other purposes. Signed-off-by: Luca Boccassi <bluca@debian.org> Reviewed-by: Petr Vorel <pvorel@suse.cz> Tested-by: Petr Vorel <pvorel@suse.cz> Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> |
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