=== park via /dev/iic0 I2CSTART (blocking) ===
hw.df5563.busy: 0 -> 1
   PID STAT   WCHAN    COMMAND
  1480 S0     iicreq   ./park iic
=== text addresses BEFORE unload ===
 4    3 0xffffffff82600000     1000 iicbus.ko
 5    2 0xffffffff82601000    18000 iicbb.ko
 6    1 0xffffffff82619000     1000 iicbb_reg.ko
 7    1 0xffffffff8261a000     1000 df5563_rig.ko
 8    1 0xffffffff8261b000     1000 iic.ko
=== unload under the parked requester ===
rc(iic)=0
rc(rig)=0
rc(reg)=0
rc(iicbb)=0
rc(iicbus)=0
=== SIGKILL ===