[  490.018878] netdevsim netdevsim464 eni464np1: renamed from eth0
[  490.019495] netdevsim netdevsim560 eni560np1: renamed from eth1
[  490.111821] Could not find device with ifindex 2000 in netnsfd 11
[  490.111942] Could not find netns with fd: 2000
[  490.111998] Cannot link a netdevsim to itself
[  490.112056] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).