root@akita:~$ ipkg install ettercap-ng_0.7.3-r0_armv5te.ipk 
Installing ettercap-ng (0.7.3-r0) to root...
Nothing to be done
An error ocurred, return value: 1.
Collected errors:
ERROR: Cannot satisfy the following dependencies for ettercap-ng:
         libiconv (>= 1.11)
root@akita:~$ ipkg install libiconv
Package libiconv (1.9.2-r4) installed in root is up to date.
Nothing to be done