[  459.441967] netdevsim netdevsim390 eni390np1: renamed from eth0
[  459.444510] netdevsim netdevsim627 eni627np1: renamed from eth1
[  459.531152] Could not find device with ifindex 2000 in netnsfd 11
[  459.531277] Could not find netns with fd: 2000
[  459.531338] Cannot link a netdevsim to itself
[  459.531405] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).