[  459.091145] netdevsim netdevsim408 eni408np1: renamed from eth0
[  459.092547] netdevsim netdevsim552 eni552np1: renamed from eth1
[  459.180965] Could not find device with ifindex 2000 in netnsfd 11
[  459.181112] Could not find netns with fd: 2000
[  459.181213] Cannot link a netdevsim to itself
[  459.181324] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).