term% cd /dev/usb
term% cat /dev/usb/ctl
ep1.0 enabled control rw speed full maxpkt 64 pollival 0 samplesz 0 hz 0 hub 0 port 0 busy
roothub csp 0x000009 ports 2
ep2.0 enabled control rw speed full maxpkt 64 pollival 0 samplesz 0 hz 0 hub 0 port 0 busy
roothub csp 0x000009 ports 2
ep3.0 enabled control rw speed full maxpkt 64 pollival 0 samplesz 0 hz 0 hub 0 port 0 busy
roothub csp 0x000009 ports 2
ep4.0 enabled control rw speed high maxpkt 64 pollival 0 samplesz 0 hz 0 hub 0 port 0 busy
roothub csp 0x000009 ports 8
ep5.0 enabled control rw speed full maxpkt 64 pollival 0 samplesz 0 hz 0 hub 3 port 1 idle
224 csp 0x0101e0 csp 0xffffff csp 0x0001fe vid 0x0a5c did 0x2101 'Broadcom Corp' 'Acer Module'
ep6.0 enabled control rw speed full maxpkt 8 pollival 0 samplesz 0 hz 0 hub 2 port 1 busy
hid csp 0x020103 csp 0x010103 vid 0x09da did 0x8090 A4Tech 'USB Full Speed'
ep6.1 enabled interrupt r speed full maxpkt 8 pollival 1 samplesz 0 hz 0 hub 2 port 1 busy
ep6.2 enabled interrupt r speed full maxpkt 12 pollival 1 samplesz 0 hz 0 hub 2 port 1 busy
ep7.0 enabled control rw speed full maxpkt 64 pollival 0 samplesz 0 hz 0 hub 1 port 1 idle
comms csp 0x000002 csp 0x000802 csp 0x010802 csp 0x00fe02 csp 0x00000a csp 0x000b02 csp 0x00000a csp 0x000b02 csp 0x00000a

term% usb/ether -D
usb/ether: fsioproc pid 471
<- Tversion tag 65535 msize 8216 version '9P2000'
-> Rversion tag 65535 msize 8192 version '9P2000'
<- Tauth tag 4 afid 219 uname sergeykish aname
-> Rerror tag 4 ename permission denied
<- Tattach tag 4 fid 219 afid -1 uname sergeykish aname
-> Rattach tag 4 qid (0000000000000000 0 d)
usb/ether: startdevs: opening #0 [2]
usb/ether: [2]: can't open endpoint [2]: '[2]' file does not exist
usb/ether: no device found