[  473.094381] netdevsim netdevsim370 eni370np1: renamed from eth0
[  473.095130] netdevsim netdevsim650 eni650np1: renamed from eth0
[  473.183286] Could not find device with ifindex 2000 in netnsfd 11
[  473.183434] Could not find netns with fd: 2000
[  473.183568] Cannot link a netdevsim to itself
[  473.183687] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).