Here is the dmesg | tail from the N800. I ran a dmesg before plugging in USB and then after. The following are the 2 lines that changed:

[TIMESTAMP] DSP Pausing Failed, skipping OP change
[TIMESTAMP] tusb_source_power 622: VBUS a_write_vrise, devctl 99 otg 174 conf c0010000 prcm 00a80500

Top_bullfrog