SG-1100 prints message about panic to console during halt

[mfld]

Current Base System
23.01.b.20230106.0600
Latest Base System
23.01.b.20230106.0600

Waiting (max 60 seconds) for system process `vnlru' to stop... done
Waiting (max 60 seconds) for system process `syncer' to stop...
Syncing disks, vnodes remaining... 0 0 0 0 done
All buffers synced.
Uptime: 9m45s
Khelp module "ertt" can't unload until its refcount drops from 4 to 0.
ERROR:   a3700_system_off needPANIC at PC : 0x0000000004023268

[jimp]

We're aware of that, it's something we intend to correct before the release.