[  461.961577] netdevsim netdevsim323 eni323np1: renamed from eth0
[  461.962360] netdevsim netdevsim739 eni739np1: renamed from eth1
[  462.050292] Could not find device with ifindex 2000 in netnsfd 11
[  462.050413] Could not find netns with fd: 2000
[  462.050460] Cannot link a netdevsim to itself
[  462.050513] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).