[  837.445179][T15668] netdevsim netdevsim763 eni763np1: renamed from eth1
[  837.456924][T15669] netdevsim netdevsim478 eni478np1: renamed from eth0
[  838.236408][T15656] Could not find device with ifindex 2000 in netnsfd 11
[  838.237096][T15656] Could not find netns with fd: 2000
[  838.237850][T15656] Cannot link a netdevsim to itself
[  838.238516][T15656] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).