[  486.095568] netdevsim netdevsim403 eni403np1: renamed from eth0
[  486.196525] netdevsim netdevsim628 eni628np1: renamed from eth1
[  486.542948] Could not find device with ifindex 2000 in netnsfd 11
[  486.543119] Could not find netns with fd: 2000
[  486.543226] Cannot link a netdevsim to itself
[  486.543358] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).