[  490.093425] netdevsim netdevsim335 eni335np1: renamed from eth0
[  490.189049] netdevsim netdevsim525 eni525np1: renamed from eth1
[  490.405772] Could not find device with ifindex 2000 in netnsfd 11
[  490.406045] Could not find netns with fd: 2000
[  490.406147] Cannot link a netdevsim to itself
[  490.406286] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).