[  768.317951][T14649] netdevsim netdevsim471 eni471np1: renamed from eth0
[  768.337412][T14651] netdevsim netdevsim577 eni577np1: renamed from eth1
[  768.928977][T14637] Could not find device with ifindex 2000 in netnsfd 11
[  768.929627][T14637] Could not find netns with fd: 2000
[  768.942868][T14637] Cannot link a netdevsim to itself
[  768.943473][T14637] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).