Fixed
1) When we try edit a port with a compute and fixed ip. It was getting 2 Fixed
IP.
2) Allowed Address paired was not showing /32 in edit window.
3) DHCP has some space if we add with space.
Closes-Bug: #1402651

Change-Id: Ibea9b37e20a53e872d70d3499300a47312611a9a