[  699.237304][T13044] netdevsim netdevsim499 eni499np1: renamed from eth0
[  699.262705][T13046] netdevsim netdevsim695 eni695np1: renamed from eth1
[  699.891800][T13032] Could not find device with ifindex 2000 in netnsfd 11
[  699.892700][T13032] Could not find netns with fd: 2000
[  699.893115][T13032] Cannot link a netdevsim to itself
[  699.897164][T13032] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).