[  559.575064] netdevsim netdevsim381 eni381np1: renamed from eth0
[  559.677285] netdevsim netdevsim600 eni600np1: renamed from eth1
[  560.057917] Could not find device with ifindex 2000 in netnsfd 11
[  560.058066] Could not find netns with fd: 2000
[  560.058158] Cannot link a netdevsim to itself
[  560.058274] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).