[  485.171741] netdevsim netdevsim576 eni576np1: renamed from eth1
[  485.272007] netdevsim netdevsim305 eni305np1: renamed from eth0
[  485.623067] Could not find device with ifindex 2000 in netnsfd 11
[  485.623208] Could not find netns with fd: 2000
[  485.623291] Cannot link a netdevsim to itself
[  485.623400] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).