[  473.131226] netdevsim netdevsim766 eni766np1: renamed from eth1
[  473.132087] netdevsim netdevsim258 eni258np1: renamed from eth0
[  473.206728] Could not find device with ifindex 2000 in netnsfd 11
[  473.206827] Could not find netns with fd: 2000
[  473.206869] Cannot link a netdevsim to itself
[  473.206928] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).