[  765.408013][T14787] netdevsim netdevsim669 eni669np1: renamed from eth1
[  765.420074][T14788] netdevsim netdevsim266 eni266np1: renamed from eth0
[  766.084342][T14774] Could not find device with ifindex 2000 in netnsfd 11
[  766.084827][T14774] Could not find netns with fd: 2000
[  766.085196][T14774] Cannot link a netdevsim to itself
[  766.085727][T14774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).