[  483.407839] netdevsim netdevsim407 eni407np1: renamed from eth0
[  483.408645] netdevsim netdevsim619 eni619np1: renamed from eth1
[  483.497719] Could not find device with ifindex 2000 in netnsfd 11
[  483.497807] Could not find netns with fd: 2000
[  483.497849] Cannot link a netdevsim to itself
[  483.497901] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).