[  521.800208] netdevsim netdevsim410 eni410np1: renamed from eth0
[  521.897805] netdevsim netdevsim568 eni568np1: renamed from eth1
[  522.129659] Could not find device with ifindex 2000 in netnsfd 11
[  522.129813] Could not find netns with fd: 2000
[  522.129889] Cannot link a netdevsim to itself
[  522.129984] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).