10:22:23 === cut-off copy: vikunja (largest volume vikunja_vikunja_db)
10:22:27 copy container exit=0 (137 = killed)
source bytes=2920872  cut copy bytes=2920872
finished-marker in the cut copy: 1  -> F refuses to swap
D: no safety dump exists for this app (R-641)

10:22:40 RETRY — 2.9 MB copied inside 0.02 s, so the first cut missed; kill with no delay:
10:22:48 try 1: container exit=0 source bytes=2920872 cut copy bytes=2920872 finished-marker=1
try 2: container exit=0 source bytes=2920872 cut copy bytes=2920872 finished-marker=1
try 3: container exit=0 source bytes=2920872 cut copy bytes=2920872 finished-marker=1

