[ 1237.606741][T11145] netdevsim netdevsim763 eni763np1: renamed from eth1
[ 1237.633039][T11147] netdevsim netdevsim396 eni396np1: renamed from eth0
[ 1241.017668][T11139] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.018412][T11139] Could not find netns with fd: 2000
[ 1241.018949][T11139] Cannot link a netdevsim to itself
[ 1241.019626][T11139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).