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0e0f6021ce
This patch changes the network filtering code to use libvirt's existing IPv4 and IPv6 address parsers/printers rather than my self-written ones. I am introducing a new function in network.c that counts the number of bits in a netmask and ensures that the given address is indeed a netmask, return -1 on error or values of 0-32 for IPv4 addresses and 0-128 for IPv6 addresses. I then based the function checking for valid netmask on invoking this function.