[ 1006.319285][T12141] netdevsim netdevsim338 eni338np1: renamed from eth0
[ 1006.336437][T12140] netdevsim netdevsim521 eni521np1: renamed from eth1
[ 1008.214002][T12560] Could not find device with ifindex 2000 in netnsfd 11
[ 1008.215081][T12560] Could not find netns with fd: 2000
[ 1008.215873][T12560] Cannot link a netdevsim to itself
[ 1008.217101][T12560] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).