[  496.287751] netdevsim netdevsim633 eni633np1: renamed from eth1
[  496.383303] netdevsim netdevsim364 eni364np1: renamed from eth0
[  496.652053] Could not find device with ifindex 2000 in netnsfd 11
[  496.652464] Could not find netns with fd: 2000
[  496.652580] Cannot link a netdevsim to itself
[  496.652708] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).