[ 1215.509138][T11128] netdevsim netdevsim531 eni531np1: renamed from eth1
[ 1215.627882][T11129] netdevsim netdevsim336 eni336np1: renamed from eth0
[ 1219.019806][T11121] Could not find device with ifindex 2000 in netnsfd 11
[ 1219.020596][T11121] Could not find netns with fd: 2000
[ 1219.021193][T11121] Cannot link a netdevsim to itself
[ 1219.021897][T11121] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).