[  488.177570] netdevsim netdevsim466 eni466np1: renamed from eth0
[  488.178028] netdevsim netdevsim614 eni614np1: renamed from eth1
[  488.247058] Could not find device with ifindex 2000 in netnsfd 11
[  488.247141] Could not find netns with fd: 2000
[  488.247189] Cannot link a netdevsim to itself
[  488.247246] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).