[  826.157677][T14763] netdevsim netdevsim470 eni470np1: renamed from eth0
[  826.163267][T14765] netdevsim netdevsim539 eni539np1: renamed from eth1
[  826.752065][T14751] Could not find device with ifindex 2000 in netnsfd 11
[  826.752749][T14751] Could not find netns with fd: 2000
[  826.753108][T14751] Cannot link a netdevsim to itself
[  826.753515][T14751] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).