[  508.677829] netdevsim netdevsim436 eni436np1: renamed from eth0
[  508.776076] netdevsim netdevsim650 eni650np1: renamed from eth1
[  508.975563] Could not find device with ifindex 2000 in netnsfd 11
[  508.975709] Could not find netns with fd: 2000
[  508.975779] Cannot link a netdevsim to itself
[  508.975865] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).