[  455.365387] netdevsim netdevsim406 eni406np1: renamed from eth0
[  455.365722] netdevsim netdevsim632 eni632np1: renamed from eth1
[  455.447940] Could not find device with ifindex 2000 in netnsfd 11
[  455.448041] Could not find netns with fd: 2000
[  455.448091] Cannot link a netdevsim to itself
[  455.448143] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).