[  520.783440] netdevsim netdevsim585 eni585np1: renamed from eth1
[  520.880608] netdevsim netdevsim438 eni438np1: renamed from eth0
[  521.086535] Could not find device with ifindex 2000 in netnsfd 11
[  521.086693] Could not find netns with fd: 2000
[  521.086773] Cannot link a netdevsim to itself
[  521.086892] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).