[Piuparts-reports] detect_stale_mounts

[piuparts master]

More than one mountpoint below /org/piuparts.debian.org/tmp detected!

proc /org/piuparts.debian.org/tmp/tmpEAhi7N/proc proc rw,relatime 0 0
proc /org/piuparts.debian.org/tmp/tmpsSIP6z/proc proc rw,relatime 0 0
proc /org/piuparts.debian.org/tmp/tmpH8Hbgg/proc proc rw,relatime 0 0
proc /org/piuparts.debian.org/tmp/tmp8epHQh/proc proc rw,relatime 0 0
proc /org/piuparts.debian.org/tmp/tmpf1Jzu8/proc proc rw,relatime 0 0
proc /org/piuparts.debian.org/tmp/tmphu7EaM/proc proc rw,relatime 0 0
proc /org/piuparts.debian.org/tmp/tmpyMiCMH/proc proc rw,relatime 0 0
proc /org/piuparts.debian.org/tmp/tmpYGBf0l/proc proc rw,relatime 0 0

Zero or one mountpoint is normal for piuparts operation, more is not.
Please investigate and cleanup.