[  880.717782][T15761] netdevsim netdevsim345 eni345np1: renamed from eth0
[  880.736956][T15760] netdevsim netdevsim660 eni660np1: renamed from eth1
[  881.356629][T15749] Could not find device with ifindex 2000 in netnsfd 11
[  881.357699][T15749] Could not find netns with fd: 2000
[  881.358194][T15749] Cannot link a netdevsim to itself
[  881.358722][T15749] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).