[  489.073677] netdevsim netdevsim287 eni287np1: renamed from eth0
[  489.074024] netdevsim netdevsim666 eni666np1: renamed from eth1
[  489.159507] Could not find device with ifindex 2000 in netnsfd 11
[  489.159647] Could not find netns with fd: 2000
[  489.159699] Cannot link a netdevsim to itself
[  489.159759] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).