[  743.276650][T14446] netdevsim netdevsim424 eni424np1: renamed from eth0
[  743.294817][T14448] netdevsim netdevsim636 eni636np1: renamed from eth1
[  743.813428][T14434] Could not find device with ifindex 2000 in netnsfd 11
[  743.813898][T14434] Could not find netns with fd: 2000
[  743.814239][T14434] Cannot link a netdevsim to itself
[  743.815377][T14434] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).