netdev-dpdk: Restore outer UDP checksum for Intel nics. #2562

Job	Run time
dpdk gcc (ubuntu-24.04)	5s
linux rpm fedora	4m 15s
libreswan (ubuntu-24.04)	8s
linux deb no dpdk	5m 27s
build oss-fuzz fuzzers	2m 52s
osx clang --disable-ssl	1m 35s
clang-analyze-cache	11m 4s
linux gcc --disable-ssl	2m 48s
linux clang --disable-ssl	2m 38s
linux gcc c99	2m 56s
linux clang c99	2m 46s
linux gcc test	8m 49s
linux clang address,undefined test	16m 18s
linux gcc test --enable-shared	12m 8s
linux clang test --enable-shared	11m 14s
linux gcc check check-dpdk dpdk	19m 18s
linux clang check check-dpdk dpdk	18m 47s
linux gcc test -ljemalloc	9m 6s
linux clang test -ljemalloc	8m 47s
linux gcc --enable-afxdp	2m 41s
linux clang --enable-afxdp	2m 52s
linux gcc dpdk --enable-shared	3m 56s
linux clang dpdk --enable-shared	3m 48s
linux gcc dpdk-shared	3m 0s
linux clang dpdk-shared	3m 8s
linux gcc dpdk-shared --enable-shared	4m 4s
linux clang dpdk-shared --enable-shared	3m 49s
linux gcc m32 --disable-ssl	2m 39s
linux gcc check-ovsdb-cluster	6m 56s
linux gcc check-kernel -100	10m 40s
linux gcc check-kernel 100-	16m 32s
linux clang address,undefined check-kernel -100	13m 13s
linux clang address,undefined check-kernel 100-	18m 54s
linux gcc check-offloads -100	9m 57s
linux gcc check-offloads 100-	12m 1s
linux gcc dpdk check-system-userspace	12m 38s
linux clang address,undefined dpdk check-system-userspace	15m 38s
linux gcc dpdk check-system-tso	12m 10s
linux gcc dpdk check-afxdp	12m 15s
clang-analyze	10m 43s
	5h 22m 35s

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