[  485.960706] netdevsim netdevsim610 eni610np1: renamed from eth1
[  486.056722] netdevsim netdevsim332 eni332np1: renamed from eth0
[  486.294927] Could not find device with ifindex 2000 in netnsfd 11
[  486.295331] Could not find netns with fd: 2000
[  486.295420] Cannot link a netdevsim to itself
[  486.295513] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).