[ 1249.042947][T11139] netdevsim netdevsim753 eni753np1: renamed from eth1
[ 1249.063192][T11140] netdevsim netdevsim277 eni277np1: renamed from eth0
[ 1252.398073][T11132] Could not find device with ifindex 2000 in netnsfd 11
[ 1252.398842][T11132] Could not find netns with fd: 2000
[ 1252.399796][T11132] Cannot link a netdevsim to itself
[ 1252.400465][T11132] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).