[  811.684369][T15757] netdevsim netdevsim376 eni376np1: renamed from eth0
[  811.704596][T15760] netdevsim netdevsim660 eni660np1: renamed from eth1
[  812.312023][T15745] Could not find device with ifindex 2000 in netnsfd 11
[  812.313007][T15745] Could not find netns with fd: 2000
[  812.313740][T15745] Cannot link a netdevsim to itself
[  812.314381][T15745] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).