[ 1220.412334][T12780] netdevsim netdevsim675 eni675np1: renamed from eth1
[ 1220.512656][T12782] netdevsim netdevsim394 eni394np1: renamed from eth0
[ 1223.045718][T12774] Could not find device with ifindex 2000 in netnsfd 11
[ 1223.047004][T12774] Could not find netns with fd: 2000
[ 1223.047857][T12774] Cannot link a netdevsim to itself
[ 1223.048947][T12774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).