[  490.409077] netdevsim netdevsim260 eni260np1: renamed from eth0
[  490.504176] netdevsim netdevsim559 eni559np1: renamed from eth1
[  490.744331] Could not find device with ifindex 2000 in netnsfd 11
[  490.744542] Could not find netns with fd: 2000
[  490.744639] Cannot link a netdevsim to itself
[  490.744746] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).