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bhyve: net_backends, automatically IFF_UP tap devices

Description

bhyve: net_backends, automatically IFF_UP tap devices

If you want communications with the outside world and tell bhyve to
create an interfaces then it should be usable as well.
Rather than relying on the sysctl net.link.tap.up_on_open automatically
try to IFF_UP the opened tap device.

MFC after: 10 days
Reviewed by: markj, grehan
Differential Revision: https://reviews.freebsd.org/D31342

Details

Provenance
bzAuthored on Jul 28 2021, 10:53 PM
Reviewer
markj
Differential Revision
D31342: bhyve: net_backends, automatically IFF_UP tap devices
Parents
rGfd2a4a31d9df: awk: document updating
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