[ 1046.622283][T12721] netdevsim netdevsim267 eni267np1: renamed from eth0
[ 1046.723762][T12718] netdevsim netdevsim593 eni593np1: renamed from eth1
[ 1048.494238][T12713] Could not find device with ifindex 2000 in netnsfd 11
[ 1048.495171][T12713] Could not find netns with fd: 2000
[ 1048.495871][T12713] Cannot link a netdevsim to itself
[ 1048.496670][T12713] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).