vconn: Count vconn_sent regardless of log level. #1993

Job	Run time
osx clang --disable-ssl	3m 5s
linux deb no dpdk	7m 53s
linux rpm fedora	4m 30s
dpdk gcc	9s
linux gcc --disable-ssl	2m 7s
linux clang --disable-ssl	2m 18s
linux gcc c99	2m 10s
linux clang c99	2m 41s
linux gcc test	7m 50s
linux clang test asan	13m 48s
linux clang test ubsan	9m 30s
linux gcc test --enable-shared	11m 2s
linux clang test --enable-shared	11m 13s
linux gcc check check-dpdk dpdk	16m 47s
linux clang check check-dpdk dpdk	16m 40s
linux gcc test -ljemalloc	9m 13s
linux clang test -ljemalloc	8m 11s
linux gcc --enable-afxdp	2m 50s
linux clang --enable-afxdp	2m 58s
linux gcc dpdk --enable-shared	3m 13s
linux clang dpdk --enable-shared	3m 18s
linux gcc dpdk-shared	2m 30s
linux clang dpdk-shared	2m 50s
linux gcc dpdk-shared --enable-shared	2m 59s
linux clang dpdk-shared --enable-shared	3m 29s
linux gcc m32 --disable-ssl	2m 20s
linux gcc check-ovsdb-cluster	6m 17s
linux gcc check-kernel -100	8m 30s
linux gcc check-kernel 100-	8m 34s
linux gcc check-offloads -100	8m 40s
linux gcc check-offloads 100-	7m 9s
linux gcc dpdk check-system-userspace	10m 49s
linux gcc dpdk check-system-tso	9m 19s
linux gcc dpdk check-afxdp	12m 16s
	3h 47m 8s

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