[  520.427716] netdevsim netdevsim558 eni558np1: renamed from eth1
[  520.523848] netdevsim netdevsim498 eni498np1: renamed from eth0
[  520.792102] Could not find device with ifindex 2000 in netnsfd 11
[  520.792411] Could not find netns with fd: 2000
[  520.792583] Cannot link a netdevsim to itself
[  520.792768] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).