[  486.948461] netdevsim netdevsim333 eni333np1: renamed from eth0
[  487.051039] netdevsim netdevsim614 eni614np1: renamed from eth1
[  487.456591] Could not find device with ifindex 2000 in netnsfd 11
[  487.456757] Could not find netns with fd: 2000
[  487.456853] Cannot link a netdevsim to itself
[  487.456971] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).