vhci_hcd driver floods systemlog with messages like:
[ 1576.226847] vhci_hcd: unlink->seqnum 167689
[ 1576.226850] vhci_hcd: unlink->seqnum 194648
[ 1576.226852] vhci_hcd: unlink->seqnum 203495
[ 1576.226856] vhci_hcd: urb->status -104
this behaviour was mentioned and corrected in main linux stream:
https://github.com/torvalds/linux/pull/841
but still remains in linux-uek.