[  472.511002] netdevsim netdevsim489 eni489np1: renamed from eth0
[  472.511319] netdevsim netdevsim515 eni515np1: renamed from eth1
[  472.594869] Could not find device with ifindex 2000 in netnsfd 11
[  472.594965] Could not find netns with fd: 2000
[  472.595016] Cannot link a netdevsim to itself
[  472.595063] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).