[  484.497248] netdevsim netdevsim398 eni398np1: renamed from eth0
[  484.497864] netdevsim netdevsim582 eni582np1: renamed from eth1
[  484.581594] Could not find device with ifindex 2000 in netnsfd 11
[  484.581685] Could not find netns with fd: 2000
[  484.581727] Cannot link a netdevsim to itself
[  484.581780] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).