[  515.112227] netdevsim netdevsim588 eni588np1: renamed from eth1
[  515.209614] netdevsim netdevsim339 eni339np1: renamed from eth0
[  515.396343] Could not find device with ifindex 2000 in netnsfd 11
[  515.396493] Could not find netns with fd: 2000
[  515.396564] Cannot link a netdevsim to itself
[  515.396650] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).