Revert "controller: Properly handle localnet flows in I+P.". #3244

Job	Run time
linux rpm fedora	6m 56s
osx clang --disable-ssl	2m 7s
Prepare container	3m 38s
linux gcc --disable-ssl	2m 39s
linux clang --disable-ssl	2m 37s
linux gcc test -300	9m 27s
linux gcc test 301-600	6m 28s
linux gcc test 601- unstable	6m 21s
linux clang test sanitizers -300	12m 42s
linux clang test sanitizers 301-600	8m 54s
linux clang test sanitizers 601- unstable	10m 42s
linux gcc test -ljemalloc -300	9m 35s
linux gcc test -ljemalloc 301-600	6m 32s
linux gcc test -ljemalloc 601- unstable	6m 39s
linux gcc system-test-dpdk dpdk -100	17m 2s
linux gcc system-test-dpdk dpdk 101- unstable	14m 6s
linux gcc system-test-userspace -100	15m 55s
linux gcc system-test-userspace 101- unstable	12m 59s
linux gcc system-test -100	18m 23s
linux gcc system-test 101- unstable	16m 49s
linux clang system-test sanitizers -100	20m 18s
linux clang system-test sanitizers 101- unstable	18m 31s
linux x86 gcc --disable-ssl	2m 45s
	3h 52m 5s

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