[  835.284770][T15847] netdevsim netdevsim448 eni448np1: renamed from eth0
[  835.290492][T15848] netdevsim netdevsim732 eni732np1: renamed from eth1
[  836.046378][T15835] Could not find device with ifindex 2000 in netnsfd 11
[  836.047114][T15835] Could not find netns with fd: 2000
[  836.047578][T15835] Cannot link a netdevsim to itself
[  836.048140][T15835] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).