[   33.276206][  T236] netdevsim netdevsim589 eni589np1: renamed from eth1
[   33.362079][  T242] netdevsim netdevsim320 eni320np1: renamed from eth0
[   34.924047][  T837] Could not find device with ifindex 2000 in netnsfd 11
[   34.924917][  T837] Could not find netns with fd: 2000
[   34.925533][  T837] Cannot link a netdevsim to itself
[   34.926257][  T837] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).