[  827.133642][T14748] netdevsim netdevsim386 eni386np1: renamed from eth0
[  827.159165][T14751] netdevsim netdevsim575 eni575np1: renamed from eth1
[  827.746249][T14736] Could not find device with ifindex 2000 in netnsfd 11
[  827.746765][T14736] Could not find netns with fd: 2000
[  827.747140][T14736] Cannot link a netdevsim to itself
[  827.747566][T14736] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).