[  491.140615] netdevsim netdevsim374 eni374np1: renamed from eth0
[  491.236683] netdevsim netdevsim627 eni627np1: renamed from eth1
[  491.452962] Could not find device with ifindex 2000 in netnsfd 11
[  491.453318] Could not find netns with fd: 2000
[  491.453401] Cannot link a netdevsim to itself
[  491.453486] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).