[  508.352139] netdevsim netdevsim658 eni658np1: renamed from eth1
[  508.450170] netdevsim netdevsim318 eni318np1: renamed from eth0
[  508.665950] Could not find device with ifindex 2000 in netnsfd 11
[  508.666156] Could not find netns with fd: 2000
[  508.666260] Cannot link a netdevsim to itself
[  508.666379] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).