[  710.715316] netdevsim netdevsim762 eni762np1: renamed from eth1
[  710.811965] netdevsim netdevsim271 eni271np1: renamed from eth0
[  711.066384] Could not find device with ifindex 2000 in netnsfd 11
[  711.066628] Could not find netns with fd: 2000
[  711.066757] Cannot link a netdevsim to itself
[  711.066908] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).