[  798.501258][T14803] netdevsim netdevsim320 eni320np1: renamed from eth0
[  798.522278][T14806] netdevsim netdevsim681 eni681np1: renamed from eth1
[  799.184093][T14791] Could not find device with ifindex 2000 in netnsfd 11
[  799.184736][T14791] Could not find netns with fd: 2000
[  799.185209][T14791] Cannot link a netdevsim to itself
[  799.185670][T14791] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).