[  475.307838] netdevsim netdevsim314 eni314np1: renamed from eth0
[  475.308156] netdevsim netdevsim635 eni635np1: renamed from eth1
[  475.389697] Could not find device with ifindex 2000 in netnsfd 11
[  475.389778] Could not find netns with fd: 2000
[  475.389820] Cannot link a netdevsim to itself
[  475.389869] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).