[ 1004.961708][T12682] netdevsim netdevsim625 eni625np1: renamed from eth1
[ 1005.064590][T12731] netdevsim netdevsim471 eni471np1: renamed from eth0
[ 1006.644340][T12726] Could not find device with ifindex 2000 in netnsfd 11
[ 1006.645271][T12726] Could not find netns with fd: 2000
[ 1006.645913][T12726] Cannot link a netdevsim to itself
[ 1006.646732][T12726] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).