[  475.226283] netdevsim netdevsim573 eni573np1: renamed from eth1
[  475.226474] netdevsim netdevsim471 eni471np1: renamed from eth0
[  475.313271] Could not find device with ifindex 2000 in netnsfd 11
[  475.313400] Could not find netns with fd: 2000
[  475.313522] Cannot link a netdevsim to itself
[  475.313643] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).