Re: [PATCH v2 3/3] sideband: add defense against packets missing a band designator

"Johannes Schindelin via GitGitGadget" [off-list ref]
writes:

From: Johannes Schindelin <redacted>

While there is currently no instance of code producing this type of
packet, if the `demultiplex_sideband()` would receive a packet whose
payload is not only empty but even misses the band designator, it would
mistake it for a flush packet.

Quite sensible.  Will queue all three.  Thanks.