[root@dfbsd ~]# /root/cuse_race 300    (second batch, fresh boot, same params)
# progress prints appear every 10 rounds; polled via ssh:
...
round 130/300 ok
round 140/300 ok
round 150/300 ok
...
round 220/300 ok
round 230/300 ok
round 240/300 ok
round 250/300 ok
...
round 290/300 ok
round 300/300 ok
all 300 rounds done, guest alive
RACE2_RC=0
(exact transcript excerpts; unobserved intermediate "round N/300 ok" lines
elided. No panic in the serial console; guest stayed up throughout.)