[  533.628576] netdevsim netdevsim471 eni471np1: renamed from eth0
[  533.725583] netdevsim netdevsim635 eni635np1: renamed from eth1
[  533.960875] Could not find device with ifindex 2000 in netnsfd 11
[  533.961032] Could not find netns with fd: 2000
[  533.961103] Cannot link a netdevsim to itself
[  533.961191] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).