[  755.173676][T14446] netdevsim netdevsim342 eni342np1: renamed from eth0
[  755.185994][T14448] netdevsim netdevsim680 eni680np1: renamed from eth1
[  755.755664][T14434] Could not find device with ifindex 2000 in netnsfd 11
[  755.756195][T14434] Could not find netns with fd: 2000
[  755.756554][T14434] Cannot link a netdevsim to itself
[  755.758997][T14434] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).