[  823.387513][T15788] netdevsim netdevsim372 eni372np1: renamed from eth0
[  823.412278][T15787] netdevsim netdevsim631 eni631np1: renamed from eth1
[  824.111984][T15776] Could not find device with ifindex 2000 in netnsfd 11
[  824.112708][T15776] Could not find netns with fd: 2000
[  824.113197][T15776] Cannot link a netdevsim to itself
[  824.114147][T15776] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).