[  763.107327][T14712] netdevsim netdevsim440 eni440np1: renamed from eth0
[  763.128975][T14715] netdevsim netdevsim636 eni636np1: renamed from eth1
[  763.720688][T14700] Could not find device with ifindex 2000 in netnsfd 11
[  763.721405][T14700] Could not find netns with fd: 2000
[  763.721953][T14700] Cannot link a netdevsim to itself
[  763.722553][T14700] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).