[  818.870187][T15773] netdevsim netdevsim296 eni296np1: renamed from eth0
[  818.893250][T15775] netdevsim netdevsim750 eni750np1: renamed from eth1
[  819.666778][T15760] Could not find device with ifindex 2000 in netnsfd 11
[  819.667456][T15760] Could not find netns with fd: 2000
[  819.668388][T15760] Cannot link a netdevsim to itself
[  819.669102][T15760] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).