On Mon, May 03, 2021 at 10:46:34PM +0200, Juraj Lutter
wrote:> Hi,
>
> my bhyve command line (on 13.0-RELEASE) is:
>
> /usr/sbin/bhyve -c 2 -m 4G -H -A -P -u -s 0:0,hostbridge -s 1:0,lpc -s
2:0,virtio-net,tap100 -s 3:0,virtio-net,priv0 -s
4:0,virtio-blk,/dev/zvol/zroot/data/minio/host0/root -l com1,/dev/nmdm100B mr
>
> the result is:
>
> device emulation initialization error: File exists
>
> It works when using original interface name (tap105 in this case).
>
> priv0 is renamed tap:
> priv0: flags=8902<BROADCAST,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu
1500
> options=80000<LINKSTATE>
> ether 58:9c:fc:10:2b:0b
> groups: tap
> media: Ethernet autoselect
> status: no carrier
> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>
> Am I doing something inadequate, is this an expected behavior or is this a
kind of a bug?
Unfortunately, bhyve doesn't support renamed tap devices. You'll need
to keep the original tapN name.
What you might want to experiment with is setting a description for
the tap device. For example:
ifconfig tapN description "private vNIC"
Thanks,
--
Shawn Webb
Cofounder / Security Engineer
HardenedBSD
https://git.hardenedbsd.org/hardenedbsd/pubkeys/-/raw/master/Shawn_Webb/03A4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc
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