[  488.026977] netdevsim netdevsim407 eni407np1: renamed from eth0
[  488.027650] netdevsim netdevsim754 eni754np1: renamed from eth1
[  488.110672] Could not find device with ifindex 2000 in netnsfd 11
[  488.110762] Could not find netns with fd: 2000
[  488.110806] Cannot link a netdevsim to itself
[  488.110855] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).