[ 1223.307618][T12603] netdevsim netdevsim391 eni391np1: renamed from eth0
[ 1223.427499][T12605] netdevsim netdevsim569 eni569np1: renamed from eth1
[ 1225.986709][T12596] Could not find device with ifindex 2000 in netnsfd 11
[ 1225.988004][T12596] Could not find netns with fd: 2000
[ 1225.989284][T12596] Cannot link a netdevsim to itself
[ 1225.991292][T12596] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).