[  472.220772] netdevsim netdevsim422 eni422np1: renamed from eth0
[  472.221391] netdevsim netdevsim695 eni695np1: renamed from eth1
[  472.311196] Could not find device with ifindex 2000 in netnsfd 11
[  472.311336] Could not find netns with fd: 2000
[  472.311448] Cannot link a netdevsim to itself
[  472.311573] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).