[  473.914603] netdevsim netdevsim346 eni346np1: renamed from eth0
[  473.915153] netdevsim netdevsim674 eni674np1: renamed from eth1
[  473.990497] Could not find device with ifindex 2000 in netnsfd 11
[  473.990577] Could not find netns with fd: 2000
[  473.990620] Cannot link a netdevsim to itself
[  473.990670] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).