[  488.886991] netdevsim netdevsim454 eni454np1: renamed from eth0
[  488.983997] netdevsim netdevsim671 eni671np1: renamed from eth1
[  489.238427] Could not find device with ifindex 2000 in netnsfd 11
[  489.238811] Could not find netns with fd: 2000
[  489.238914] Cannot link a netdevsim to itself
[  489.239029] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).