01:37:08 U4: watching logs/uart/r2t2-20261001-010713.log from line 67076
01:39:14 start #1 U4-1-013910-B
01:39:24 #1 U4-1-013910-B -> linux_init PASS autoreset=no rtc=801 (last-alive->start 89.4s (off-time upper bound incl. 5 s USB->batt); PON captured)
01:39:24 U4 DONE