[  479.013602] netdevsim netdevsim474 eni474np1: renamed from eth0
[  479.014415] netdevsim netdevsim564 eni564np1: renamed from eth1
[  479.095436] Could not find device with ifindex 2000 in netnsfd 11
[  479.095536] Could not find netns with fd: 2000
[  479.095587] Cannot link a netdevsim to itself
[  479.095642] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).