[  459.203277] netdevsim netdevsim469 eni469np1: renamed from eth0
[  459.204156] netdevsim netdevsim704 eni704np1: renamed from eth1
[  459.284618] Could not find device with ifindex 2000 in netnsfd 11
[  459.284727] Could not find netns with fd: 2000
[  459.284774] Cannot link a netdevsim to itself
[  459.284828] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).