[  486.406041] netdevsim netdevsim634 eni634np1: renamed from eth1
[  486.507582] netdevsim netdevsim467 eni467np1: renamed from eth0
[  486.903557] Could not find device with ifindex 2000 in netnsfd 11
[  486.903722] Could not find netns with fd: 2000
[  486.903806] Cannot link a netdevsim to itself
[  486.903905] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).