[  738.049777][T14297] netdevsim netdevsim438 eni438np1: renamed from eth0
[  738.062011][T14299] netdevsim netdevsim605 eni605np1: renamed from eth1
[  738.612607][T14285] Could not find device with ifindex 2000 in netnsfd 11
[  738.613178][T14285] Could not find netns with fd: 2000
[  738.613626][T14285] Cannot link a netdevsim to itself
[  738.614290][T14285] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).