xhci driver reports over current condition without anything connected via usb

[jserviceorg]

SunOS hyve 5.11 joyent_20200130T131547Z i86pc i386 i86pc

[root@hyve ~]# prtdiag
System Configuration: HP ProLiant MicroServer
BIOS Configuration: HP O41 10/01/2013
BMC Configuration: IPMI 2.0 (KCS: Keyboard Controller Style)

==== Processor Sockets ====================================

Version Location Tag

---

AMD Turion(tm) II Neo N54L Dual-Core Processor CPU 1

==== Memory Device Sockets ================================

Type Status Set Device Locator Bank Locator

---

other in use 0 DIMM0 BANK0
other in use 0 DIMM1 BANK1

==== On-Board Devices =====================================

==== Upgradeable Slots ====================================

ID Status Type Description

---

1 in use PCI Express PCIE1-J5, NEC Corporation uPD720200 USB 3.0 Host Controller (xhci)
2 available PCI Express PCIE2-J6

i am getting flooded with error messages regarding an xhci over current condition. fun fact: nothing is connected to this controller

2020-02-08T15:33:38.303778+00:00 hyve usba: [ID 723738 kern.info] /pci@0,0/pci1022,9603@2/pci1734,11bb@0 (xhci0): Port3 in over current condition, please check the attached device to clear the condition. The system will try to recover the port, but if not successful, you need to re-connect the hub or reboot the system to bring the port back to work
2020-02-08T15:33:38.803771+00:00 hyve usba: [ID 723738 kern.info] /pci@0,0/pci1022,9603@2/pci1734,11bb@0 (xhci0): Port4 in over current condition, please check the attached device to clear the condition. The system will try to recover the port, but if not successful, you need to re-connect the hub or reboot the system to bring the port back to work
2020-02-08T15:33:39.304726+00:00 hyve usba: [ID 723738 kern.info] /pci@0,0/pci1022,9603@2/pci1734,11bb@0 (xhci0): Port1 in over current condition, please check the attached device to clear the condition. The system will try to recover the port, but if not successful, you need to re-connect the hub or reboot the system to bring the port back to work
2020-02-08T15:33:39.804771+00:00 hyve usba: [ID 723738 kern.info] /pci@0,0/pci1022,9603@2/pci1734,11bb@0 (xhci0): Port2 in over current condition, please check the attached device to clear the condition. The system will try to recover the port, but if not successful, you need to re-connect the hub or reboot the system to bring the port back to work