ofproto: Fix default pmd_id for ofproto/detrace. #6600

Job	Run time
osx clang --disable-ssl	2m 10s
build oss-fuzz fuzzers	3m 2s
dpdk gcc (ubuntu-24.04)	6s
libreswan (ubuntu-24.04)	10s
linux deb no dpdk	5m 28s
linux rpm fedora	4m 26s
clang-analyze	21m 26s
linux gcc --disable-ssl	2m 50s
linux clang --disable-ssl	2m 38s
linux gcc c99	2m 45s
linux clang c99	2m 44s
linux gcc test	8m 36s
linux clang address,undefined test	17m 5s
linux gcc test --enable-shared	11m 23s
linux clang test --enable-shared	11m 20s
linux gcc check check-dpdk dpdk	18m 44s
linux clang check check-dpdk dpdk	18m 46s
linux gcc test -ljemalloc	9m 15s
linux clang test -ljemalloc	8m 41s
linux gcc --enable-afxdp	3m 4s
linux clang --enable-afxdp	4m 36s
linux gcc dpdk --enable-shared	3m 58s
linux clang dpdk --enable-shared	3m 46s
linux gcc dpdk-shared	3m 0s
linux clang dpdk-shared	3m 6s
linux gcc dpdk-shared --enable-shared	4m 36s
linux clang dpdk-shared --enable-shared	4m 21s
linux gcc m32 --disable-ssl	2m 50s
linux gcc check-ovsdb-cluster	7m 35s
linux gcc check-kernel -100	10m 56s
linux gcc check-kernel 100-	16m 34s
linux clang address,undefined check-kernel -100	13m 6s
linux clang address,undefined check-kernel 100-	19m 4s
linux gcc check-offloads -100	9m 59s
linux gcc check-offloads 100-	12m 29s
linux gcc dpdk check-system-userspace	12m 29s
linux clang address,undefined dpdk check-system-userspace	16m 26s
linux gcc dpdk check-system-tso	12m 1s
linux gcc dpdk check-afxdp	12m 14s
	5h 27m 45s

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