Prepare for 3.4.1. #2422

Job	Run time
dpdk gcc	5s
linux deb no dpdk	7m 19s
linux rpm fedora	4m 52s
osx clang --disable-ssl	2m 15s
clang-analyze	17m 55s
linux gcc --disable-ssl	2m 28s
linux clang --disable-ssl	2m 28s
linux gcc c99	2m 47s
linux clang c99	3m 7s
linux gcc test	8m 34s
linux clang address,undefined test	16m 36s
linux gcc test --enable-shared	11m 46s
linux clang test --enable-shared	11m 17s
linux gcc check check-dpdk dpdk	18m 32s
linux clang check check-dpdk dpdk	18m 2s
linux gcc test -ljemalloc	9m 37s
linux clang test -ljemalloc	9m 14s
linux gcc --enable-afxdp	3m 30s
linux clang --enable-afxdp	3m 26s
linux gcc dpdk --enable-shared	3m 58s
linux clang dpdk --enable-shared	3m 52s
linux gcc dpdk-shared	2m 37s
linux clang dpdk-shared	3m 3s
linux gcc dpdk-shared --enable-shared	3m 57s
linux clang dpdk-shared --enable-shared	3m 37s
linux gcc m32 --disable-ssl	2m 21s
linux gcc check-ovsdb-cluster	7m 16s
linux gcc check-kernel -100	8m 56s
linux gcc check-kernel 100-	9m 48s
linux clang address,undefined check-kernel -100	11m 16s
linux clang address,undefined check-kernel 100-	11m 50s
linux gcc check-offloads -100	8m 52s
linux gcc check-offloads 100-	8m 7s
linux gcc dpdk check-system-userspace	11m 7s
linux clang address,undefined dpdk check-system-userspace	14m 24s
linux gcc dpdk check-system-tso	10m 54s
linux gcc dpdk check-afxdp	10m 46s
	4h 50m 31s

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