[  515.039874] netdevsim netdevsim566 eni566np1: renamed from eth1
[  515.136882] netdevsim netdevsim333 eni333np1: renamed from eth0
[  515.351008] Could not find device with ifindex 2000 in netnsfd 11
[  515.351259] Could not find netns with fd: 2000
[  515.351385] Cannot link a netdevsim to itself
[  515.351539] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).