[  774.649091][T14566] netdevsim netdevsim496 eni496np1: renamed from eth0
[  774.658977][T14568] netdevsim netdevsim590 eni590np1: renamed from eth1
[  775.352697][T14554] Could not find device with ifindex 2000 in netnsfd 11
[  775.353215][T14554] Could not find netns with fd: 2000
[  775.353850][T14554] Cannot link a netdevsim to itself
[  775.354274][T14554] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).