[ 1239.465062][T12783] netdevsim netdevsim662 eni662np1: renamed from eth1
[ 1239.573767][T12785] netdevsim netdevsim500 eni500np1: renamed from eth0
[ 1242.296451][T12772] Could not find device with ifindex 2000 in netnsfd 11
[ 1242.298505][T12772] Could not find netns with fd: 2000
[ 1242.300050][T12772] Cannot link a netdevsim to itself
[ 1242.301167][T12772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).