[  472.904917] netdevsim netdevsim329 eni329np1: renamed from eth0
[  472.905220] netdevsim netdevsim731 eni731np1: renamed from eth1
[  472.982509] Could not find device with ifindex 2000 in netnsfd 11
[  472.982590] Could not find netns with fd: 2000
[  472.982637] Cannot link a netdevsim to itself
[  472.982703] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).