[  489.651620] netdevsim netdevsim598 eni598np1: renamed from eth1
[  489.746634] netdevsim netdevsim331 eni331np1: renamed from eth0
[  490.004387] Could not find device with ifindex 2000 in netnsfd 11
[  490.004701] Could not find netns with fd: 2000
[  490.004805] Cannot link a netdevsim to itself
[  490.004921] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).