[Libguestfs] nbdkit error: "write reply: NBD_CMD_WRITE: Broken pipe"

Hi, I am developing a new nbdkit plugin, and occasionally I am getting errors like this: `nbdkit: s3backer.8: error: write reply: NBD_CMD_WRITE: Broken pipe nbdkit: s3backer.15: error: write reply: NBD_CMD_WRITE: Broken pipe` (where "s3backer" is the plugin name). I am not sure what to make of these. Can someone advise? Looking at the nbdkit source, it looks to me like these are generated when there is a problem sending a reply to the nbd client. On the other hand, I am using the standard 'nbd-client' program through a Unix socket, so I'd think this should not result in errors...? Best, -Nikolaus -- GPG Fingerprint: ED31 791B 2C5C 1613 AF38 8B8A D113 FCAC 3C4E 599F »Time flies like an arrow, fruit flies like a Banana.«