[  487.253703] netdevsim netdevsim385 eni385np1: renamed from eth0
[  487.354567] netdevsim netdevsim763 eni763np1: renamed from eth1
[  487.705460] Could not find device with ifindex 2000 in netnsfd 11
[  487.705612] Could not find netns with fd: 2000
[  487.705693] Cannot link a netdevsim to itself
[  487.705787] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).