[  802.491146][T14600] netdevsim netdevsim296 eni296np1: renamed from eth0
[  802.508572][T14602] netdevsim netdevsim660 eni660np1: renamed from eth1
[  803.122473][T14588] Could not find device with ifindex 2000 in netnsfd 11
[  803.123320][T14588] Could not find netns with fd: 2000
[  803.123793][T14588] Cannot link a netdevsim to itself
[  803.124325][T14588] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).