From: Dexuan Cui <decui@microsoft.com>  Sent: Wednesday, July 31, 2019 10:52 AM

When the VM resumes, the host re-sends the offers. We should not add the
offers to the global vmbus_connection.chn_list again.

Added some debug code, in case the host screws up the exact info related to
the offers.

Signed-off-by: Dexuan Cui <decui@microsoft.com>
---
 drivers/hv/channel_mgmt.c | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

Reviewed-by: Michael Kelley <redacted>