[  486.054760] netdevsim netdevsim578 eni578np1: renamed from eth1
[  486.152567] netdevsim netdevsim340 eni340np1: renamed from eth0
[  486.350481] Could not find device with ifindex 2000 in netnsfd 11
[  486.350808] Could not find netns with fd: 2000
[  486.350930] Cannot link a netdevsim to itself
[  486.351066] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).