[  719.821532][T13064] netdevsim netdevsim460 eni460np1: renamed from eth0
[  719.847278][T13066] netdevsim netdevsim675 eni675np1: renamed from eth1
[  720.552304][T13052] Could not find device with ifindex 2000 in netnsfd 11
[  720.553216][T13052] Could not find netns with fd: 2000
[  720.553626][T13052] Cannot link a netdevsim to itself
[  720.554109][T13052] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).