[ 1306.572693][T12056] netdevsim netdevsim337 eni337np1: renamed from eth0
[ 1306.577345][T12054] netdevsim netdevsim591 eni591np1: renamed from eth1
[ 1310.188919][T12048] Could not find device with ifindex 2000 in netnsfd 11
[ 1310.189744][T12048] Could not find netns with fd: 2000
[ 1310.190384][T12048] Cannot link a netdevsim to itself
[ 1310.191157][T12048] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).