[ 1246.758008][T12787] netdevsim netdevsim686 eni686np1: renamed from eth1
[ 1246.895346][T12790] netdevsim netdevsim477 eni477np1: renamed from eth0
[ 1249.543731][T12778] Could not find device with ifindex 2000 in netnsfd 11
[ 1249.544969][T12778] Could not find netns with fd: 2000
[ 1249.545836][T12778] Cannot link a netdevsim to itself
[ 1249.547315][T12778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).