service usbd
{
    system
        PRIVCTL     #  4
        UMAP        # 14
        IRQCTL      # 19
        DEVIO       # 21
        SDEVIO      # 22
    ;
    pci class   
        c/3     # serial / USB
    ;
    ipc
        SYSTEM pm rs log tty ds vfs vm
        pci inet amddev devman
        ;
    uid     0;
};

