[  754.775323][T14567] netdevsim netdevsim471 eni471np1: renamed from eth0
[  754.786950][T14569] netdevsim netdevsim668 eni668np1: renamed from eth1
[  755.334329][T14555] Could not find device with ifindex 2000 in netnsfd 11
[  755.334793][T14555] Could not find netns with fd: 2000
[  755.335275][T14555] Cannot link a netdevsim to itself
[  755.335685][T14555] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).