[  484.142383] netdevsim netdevsim434 eni434np1: renamed from eth0
[  484.244077] netdevsim netdevsim743 eni743np1: renamed from eth1
[  484.607732] Could not find device with ifindex 2000 in netnsfd 11
[  484.607893] Could not find netns with fd: 2000
[  484.607975] Cannot link a netdevsim to itself
[  484.608070] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).