[  767.390653][T14570] netdevsim netdevsim367 eni367np1: renamed from eth0
[  767.415212][T14572] netdevsim netdevsim686 eni686np1: renamed from eth1
[  768.213150][T14558] Could not find device with ifindex 2000 in netnsfd 11
[  768.213780][T14558] Could not find netns with fd: 2000
[  768.214179][T14558] Cannot link a netdevsim to itself
[  768.214611][T14558] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).