[ 1188.643158][T12777] netdevsim netdevsim639 eni639np1: renamed from eth1
[ 1188.646574][T12780] netdevsim netdevsim501 eni501np1: renamed from eth0
[ 1191.120665][T12773] Could not find device with ifindex 2000 in netnsfd 11
[ 1191.121811][T12773] Could not find netns with fd: 2000
[ 1191.122680][T12773] Cannot link a netdevsim to itself
[ 1191.123762][T12773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).