[  855.823089][T15789] netdevsim netdevsim488 eni488np1: renamed from eth0
[  855.839499][T15790] netdevsim netdevsim619 eni619np1: renamed from eth1
[  856.594748][T15777] Could not find device with ifindex 2000 in netnsfd 11
[  856.595539][T15777] Could not find netns with fd: 2000
[  856.596122][T15777] Cannot link a netdevsim to itself
[  856.596757][T15777] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).