[ 1011.770351][T12680] netdevsim netdevsim557 eni557np1: renamed from eth1
[ 1011.875210][T12729] netdevsim netdevsim497 eni497np1: renamed from eth0
[ 1013.757566][T12724] Could not find device with ifindex 2000 in netnsfd 11
[ 1013.758513][T12724] Could not find netns with fd: 2000
[ 1013.759156][T12724] Cannot link a netdevsim to itself
[ 1013.759921][T12724] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).