[  472.808893] netdevsim netdevsim305 eni305np1: renamed from eth0
[  472.809077] netdevsim netdevsim580 eni580np1: renamed from eth1
[  472.889675] Could not find device with ifindex 2000 in netnsfd 11
[  472.889832] Could not find netns with fd: 2000
[  472.889940] Cannot link a netdevsim to itself
[  472.890053] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).