dpif-netdev: Log packets. #593

Job	Run time
linux deb no dpdk	4m 36s
osx clang --disable-ssl	1m 25s
dpdk gcc	1m 55s
linux gcc --disable-ssl	1m 33s
linux clang --disable-ssl	1m 59s
linux gcc c99	2m 5s
linux clang c99	2m 8s
linux gcc test	2m 5s
linux clang test asan	12m 58s
linux clang test ubsan	9m 8s
linux gcc test --enable-shared	2m 10s
linux clang test --enable-shared	10m 36s
linux gcc test dpdk	1m 55s
linux clang test dpdk	7m 28s
linux gcc test -ljemalloc	2m 5s
linux clang test -ljemalloc	7m 48s
linux gcc --enable-afxdp	2m 5s
linux clang --enable-afxdp	2m 6s
linux gcc dpdk --enable-shared	1m 59s
linux clang dpdk --enable-shared	2m 50s
linux gcc dpdk-shared	1m 45s
linux clang dpdk-shared	2m 15s
linux gcc dpdk-shared --enable-shared	1m 56s
linux clang dpdk-shared --enable-shared	2m 53s
linux gcc m32 --disable-ssl	1m 54s
	1h 31m 37s

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