[  428.832924] netdevsim netdevsim396 eni396np1: renamed from eth0
[  428.834144] netdevsim netdevsim730 eni730np1: renamed from eth0
[  428.914891] Could not find device with ifindex 2000 in netnsfd 11
[  428.914997] Could not find netns with fd: 2000
[  428.915042] Cannot link a netdevsim to itself
[  428.915091] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).