[misc/ipaddr] fixed generation of an address from an prefix; switched import of ipaddress to use Python3.3 native version
[misc/ipaddr] fixed generation of an address from an prefix; switched import of ipaddress to use Python3.3 native version

Signed-off-by: Robert Wuttke <12e9293ec6b30c7fa8a0926af42807e929c1684f@benocs.com>

Benocs/core,Benocs/core,Benocs/core,Benocs/core,Benocs/core