[  518.145035] netdevsim netdevsim383 eni383np1: renamed from eth0
[  518.241978] netdevsim netdevsim743 eni743np1: renamed from eth1
[  518.482441] Could not find device with ifindex 2000 in netnsfd 11
[  518.482642] Could not find netns with fd: 2000
[  518.482728] Cannot link a netdevsim to itself
[  518.482844] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).