[ 1201.800202][T12778] netdevsim netdevsim670 eni670np1: renamed from eth1
[ 1201.923985][T12780] netdevsim netdevsim491 eni491np1: renamed from eth0
[ 1204.551717][T12773] Could not find device with ifindex 2000 in netnsfd 11
[ 1204.553110][T12773] Could not find netns with fd: 2000
[ 1204.554066][T12773] Cannot link a netdevsim to itself
[ 1204.555336][T12773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).