[  833.256608][T15824] netdevsim netdevsim496 eni496np1: renamed from eth0
[  833.270125][T15822] netdevsim netdevsim727 eni727np1: renamed from eth1
[  833.915998][T15810] Could not find device with ifindex 2000 in netnsfd 11
[  833.916691][T15810] Could not find netns with fd: 2000
[  833.917177][T15810] Cannot link a netdevsim to itself
[  833.917711][T15810] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).