[  772.742203][T14728] netdevsim netdevsim258 eni258np1: renamed from eth0
[  772.763696][T14730] netdevsim netdevsim612 eni612np1: renamed from eth1
[  773.379003][T14716] Could not find device with ifindex 2000 in netnsfd 11
[  773.379579][T14716] Could not find netns with fd: 2000
[  773.379960][T14716] Cannot link a netdevsim to itself
[  773.380443][T14716] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).