- Set ENETRESET within myx_ioctl() instead of calling myx_iff() directly, to be   consistent with other drivers. - Clear IFF_ALLMULTI flag early and at the top of myx_iff(). - Set IFF_ALLMULTI when in promisc mode.
- Set ENETRESET within myx_ioctl() instead of calling myx_iff() directly, to be
  consistent with other drivers.
- Clear IFF_ALLMULTI flag early and at the top of myx_iff().
- Set IFF_ALLMULTI when in promisc mode.

ok dlg@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars