22:36:40.791 B9C cold3: waiting for the board to go away (power off >= 90 s), then normal power-on WITHOUT RESET
22:36:41.800 board unreachable (powered off)
22:37:58.090 NCM ping ok
22:37:58.094 RTC at boot 3 s -> class A
~ # [6ncat /proc/device-tree/model; echo; uname -r; grep -E "START OK|FAIL in|rollb
JZ08AU Aurora (RAM boot B9B)
[85.70] === START OK in 76.3s (wwan0 10.46.48.247/28, routes: 10.10.22.1 194.186.191.1 77.88.8.8 1.1.1.1 )
22:39:34.245 wifi: [89.59] === AP ENABLED ssid=aurora-b8f ch=6 pid=2875 in 80.16s
22:39:42.268 sntp: [101.14] SNTP check ( 89.109.251.21 89.109.251.22 89.109.251.23): 14 replies; best offset delay server: +0.094072 0.039913 89.109.251.21: (offset > 0 = clock behind) 
22:40:08.281 snapshot: 2 end markers; RP a204000.remoteproc=running
22:40:13.313 B9C cold3 END - operator visual check next
