[  472.296642] netdevsim netdevsim299 eni299np1: renamed from eth0
[  472.297135] netdevsim netdevsim753 eni753np1: renamed from eth1
[  472.374793] Could not find device with ifindex 2000 in netnsfd 11
[  472.374869] Could not find netns with fd: 2000
[  472.374920] Cannot link a netdevsim to itself
[  472.374974] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).