[ 1428.988514][T12509] netdevsim netdevsim422 eni422np1: renamed from eth0
[ 1429.009385][T12510] netdevsim netdevsim533 eni533np1: renamed from eth1
[ 1432.712486][T12503] Could not find device with ifindex 2000 in netnsfd 11
[ 1432.713346][T12503] Could not find netns with fd: 2000
[ 1432.714000][T12503] Cannot link a netdevsim to itself
[ 1432.715061][T12503] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).