On 3 Jun, Don Lewis wrote:
> It looks like something changed in -CURRENT to break network
> connectivity to VirtualBox guests. This was last known to work with
> r299139 (May 6th) and is definitely broken with r301229. The VirtualBox
> port revisions are:
> virtualbox-ose-4.3.38_1
> virtualbox-ose-kmod-4.3.38
> It looks like there was one change to the VirtualBox on May 9th, but it
> looks unlikely to be the cause of the problem.
>
> The network settings are:
> Attached to: Bridged Adapter
> Name: re0
> Adapter Type: Paravirtualized Network (virtio-net)
> Promiscuous Mode: Deny
> MAC Address: [snip]
> Ifconfig says that the interface is up, but I am unable to ping either
> the host or anything else on the LAN from the guest. It looks like the
> problem is with outbound traffic. If I attempt to ping the guest, the
> source IP address and MAC address show up in the guest's arp table, but
> ping reports:
> ping: sendto: Host is down
> That makes me think that the arp responses from the guest are not
> getting transmitted. None of the machines involved are running
> firewalls. If I ping from the guest, I don't see any arp requests on
> the wire and the arp command shows the table entry as incomplete.
>
> The problem shows up with both FreeBSD -CURRENT and Debian guests.
I see the same behaviour if I set:
Attached to: NAT
or
Adapter Type: 82540EM
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