[  819.440701][T14757] netdevsim netdevsim289 eni289np1: renamed from eth0
[  819.451068][T14759] netdevsim netdevsim760 eni760np1: renamed from eth1
[  820.128442][T14745] Could not find device with ifindex 2000 in netnsfd 11
[  820.129334][T14745] Could not find netns with fd: 2000
[  820.129729][T14745] Cannot link a netdevsim to itself
[  820.130179][T14745] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).