[  753.927460][T13081] netdevsim netdevsim258 eni258np1: renamed from eth0
[  753.946645][T13083] netdevsim netdevsim720 eni720np1: renamed from eth1
[  754.739959][T13069] Could not find device with ifindex 2000 in netnsfd 11
[  754.741172][T13069] Could not find netns with fd: 2000
[  754.741589][T13069] Cannot link a netdevsim to itself
[  754.742242][T13069] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).