pi@RHC ~ $ dmesg|tail
[641113.521661] w1_master_driver w1_bus_master1: Family 0 for 00.b74c00000000.67 is not registered.
[641149.832433] w1_master_driver w1_bus_master1: Family 0 for 00.774c00000000.ad is not registered.
[641186.142738] w1_master_driver w1_bus_master1: Family 0 for 00.f74c00000000.21 is not registered.
[641257.053856] w1_master_driver w1_bus_master1: Family 0 for 00.0f4c00000000.97 is not registered.
[641304.354447] w1_master_driver w1_bus_master1: Family 0 for 00.8f4c00000000.1b is not registered.
[641339.825377] w1_master_driver w1_bus_master1: Family 0 for 00.4f4c00000000.d1 is not registered.
[641399.076079] w1_master_driver w1_bus_master1: Family 0 for 00.cf4c00000000.5d is not registered.
[641412.646200] w1_master_driver w1_bus_master1: Family 0 for 00.2f4c00000000.b4 is not registered.
[641459.988451] w1_master_driver w1_bus_master1: Family 0 for 00.af4c00000000.38 is not registered.
[641519.368033] w1_master_driver w1_bus_master1: Family 0 for 00.6f4c00000000.f2 is not registered.