[  818.186265][T15770] netdevsim netdevsim488 eni488np1: renamed from eth0
[  818.202041][T15768] netdevsim netdevsim536 eni536np1: renamed from eth1
[  818.908655][T15757] Could not find device with ifindex 2000 in netnsfd 11
[  818.909972][T15757] Could not find netns with fd: 2000
[  818.910555][T15757] Cannot link a netdevsim to itself
[  818.911047][T15757] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).