[  486.598572] netdevsim netdevsim339 eni339np1: renamed from eth0
[  486.696056] netdevsim netdevsim650 eni650np1: renamed from eth1
[  486.896763] Could not find device with ifindex 2000 in netnsfd 11
[  486.897056] Could not find netns with fd: 2000
[  486.897155] Cannot link a netdevsim to itself
[  486.897256] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).