[  822.143851][T14785] netdevsim netdevsim389 eni389np1: renamed from eth0
[  822.164625][T14787] netdevsim netdevsim668 eni668np1: renamed from eth1
[  822.778851][T14773] Could not find device with ifindex 2000 in netnsfd 11
[  822.779891][T14773] Could not find netns with fd: 2000
[  822.780357][T14773] Cannot link a netdevsim to itself
[  822.780776][T14773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).