DST_REWRITE_IP4    16 tools/testing/selftests/bpf/progs/connect4_prog.c #define DST_REWRITE_IP4		0x7f000001U
DST_REWRITE_IP4    15 tools/testing/selftests/bpf/progs/sendmsg4_prog.c #define DST_REWRITE_IP4		0x7f000001U