[  487.482894] netdevsim netdevsim566 eni566np1: renamed from eth1
[  487.579514] netdevsim netdevsim412 eni412np1: renamed from eth0
[  487.803365] Could not find device with ifindex 2000 in netnsfd 11
[  487.803657] Could not find netns with fd: 2000
[  487.803741] Cannot link a netdevsim to itself
[  487.803840] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).