[  489.166072] netdevsim netdevsim499 eni499np1: renamed from eth0
[  489.168555] netdevsim netdevsim618 eni618np1: renamed from eth1
[  489.265574] Could not find device with ifindex 2000 in netnsfd 11
[  489.265671] Could not find netns with fd: 2000
[  489.265715] Cannot link a netdevsim to itself
[  489.265769] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).