[  480.859650] netdevsim netdevsim277 eni277np1: renamed from eth0
[  480.961760] netdevsim netdevsim566 eni566np1: renamed from eth1
[  481.279310] Could not find device with ifindex 2000 in netnsfd 11
[  481.279447] Could not find netns with fd: 2000
[  481.279520] Cannot link a netdevsim to itself
[  481.279625] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).