[  484.000136] netdevsim netdevsim297 eni297np1: renamed from eth0
[  484.101414] netdevsim netdevsim585 eni585np1: renamed from eth1
[  484.452077] Could not find device with ifindex 2000 in netnsfd 11
[  484.452251] Could not find netns with fd: 2000
[  484.452335] Cannot link a netdevsim to itself
[  484.452447] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).