[  472.886091] netdevsim netdevsim335 eni335np1: renamed from eth0
[  472.887461] netdevsim netdevsim717 eni717np1: renamed from eth0
[  472.981678] Could not find device with ifindex 2000 in netnsfd 11
[  472.981769] Could not find netns with fd: 2000
[  472.981813] Cannot link a netdevsim to itself
[  472.981873] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).