msgr: fast log: change IP addr printout
msgr: fast log: change IP addr printout

Print out IP address, port pairs as X/Y rather than X:Y.

ipv6 addresses use colons and it could get confusing if/when Redfish
supports them.

Signed-off-by: Colin McCabe <3142ce8a0bdba4a38073365893e6b74f72d9c512@alumni.cmu.edu>

cmccabe/redfish,cmccabe/redfish,cmccabe/redfish,cmccabe/redfish,cmccabe/redfish