[  479.739262] netdevsim netdevsim344 eni344np1: renamed from eth0
[  479.739803] netdevsim netdevsim693 eni693np1: renamed from eth1
[  479.833042] Could not find device with ifindex 2000 in netnsfd 11
[  479.833147] Could not find netns with fd: 2000
[  479.833193] Cannot link a netdevsim to itself
[  479.833247] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).