[  764.754896][T14567] netdevsim netdevsim391 eni391np1: renamed from eth0
[  764.769864][T14569] netdevsim netdevsim569 eni569np1: renamed from eth1
[  765.363050][T14555] Could not find device with ifindex 2000 in netnsfd 11
[  765.363887][T14555] Could not find netns with fd: 2000
[  765.364306][T14555] Cannot link a netdevsim to itself
[  765.364712][T14555] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).