controller: Properly handle localnet flows in I+P. #3300

Job	Run time
linux rpm fedora	6m 50s
Prepare container	3m 14s
osx clang --disable-ssl	3m 9s
linux gcc --disable-ssl	2m 33s
linux clang --disable-ssl	2m 36s
linux gcc test -300	9m 29s
linux gcc test 301-600	6m 4s
linux gcc test 601- unstable	6m 26s
linux clang test sanitizers -300	12m 49s
linux clang test sanitizers 301-600	8m 54s
linux clang test sanitizers 601- unstable	10m 50s
linux gcc test -ljemalloc -300	9m 46s
linux gcc test -ljemalloc 301-600	6m 15s
linux gcc test -ljemalloc 601- unstable	6m 28s
linux gcc system-test-dpdk dpdk -100	16m 49s
linux gcc system-test-dpdk dpdk 101- unstable	13m 56s
linux gcc system-test-userspace -100	15m 37s
linux gcc system-test-userspace 101- unstable	12m 51s
linux gcc system-test -100	18m 18s
linux gcc system-test 101- unstable	17m 4s
linux clang system-test sanitizers -100	20m 17s
linux clang system-test sanitizers 101- unstable	18m 58s
linux x86 gcc --disable-ssl	2m 30s
	3h 51m 43s

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