[  492.601071] netdevsim netdevsim440 eni440np1: renamed from eth0
[  492.601653] netdevsim netdevsim717 eni717np1: renamed from eth1
[  492.698569] Could not find device with ifindex 2000 in netnsfd 11
[  492.698734] Could not find netns with fd: 2000
[  492.698788] Cannot link a netdevsim to itself
[  492.698853] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).