[  434.677602] netdevsim netdevsim448 eni448np1: renamed from eth0
[  434.778264] netdevsim netdevsim588 eni588np1: renamed from eth1
[  435.134658] Could not find device with ifindex 2000 in netnsfd 11
[  435.134835] Could not find netns with fd: 2000
[  435.135005] Cannot link a netdevsim to itself
[  435.135115] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).