[  473.819614] netdevsim netdevsim414 eni414np1: renamed from eth0
[  473.820301] netdevsim netdevsim765 eni765np1: renamed from eth0
[  473.904823] Could not find device with ifindex 2000 in netnsfd 11
[  473.904954] Could not find netns with fd: 2000
[  473.905060] Cannot link a netdevsim to itself
[  473.905174] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).