[  769.389428][T14589] netdevsim netdevsim431 eni431np1: renamed from eth0
[  769.406525][T14591] netdevsim netdevsim612 eni612np1: renamed from eth1
[  769.986904][T14577] Could not find device with ifindex 2000 in netnsfd 11
[  769.987467][T14577] Could not find netns with fd: 2000
[  769.988042][T14577] Cannot link a netdevsim to itself
[  769.988452][T14577] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).