[  460.307458] netdevsim netdevsim479 eni479np1: renamed from eth0
[  460.312070] netdevsim netdevsim620 eni620np1: renamed from eth1
[  460.405360] Could not find device with ifindex 2000 in netnsfd 11
[  460.405462] Could not find netns with fd: 2000
[  460.405510] Cannot link a netdevsim to itself
[  460.405562] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).