[  753.372496][T14630] netdevsim netdevsim397 eni397np1: renamed from eth0
[  753.378646][T14632] netdevsim netdevsim735 eni735np1: renamed from eth1
[  753.937332][T14618] Could not find device with ifindex 2000 in netnsfd 11
[  753.937869][T14618] Could not find netns with fd: 2000
[  753.938262][T14618] Cannot link a netdevsim to itself
[  753.938687][T14618] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).