net-build failed in ubuntu_kernel_selftests with 5.19 kernel

Issue found with J-hwe-5.19.0-18.18~22.04.3 and K-5.19.0-18.18

This issue was hinted in K but without a bug report.

Test build failed with:
  gcc -Wall -Wl,--no-as-needed -O2 -g -I../../../../usr/include/ -isystem /home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/usr/include cmsg_sender.c -o /home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net/cmsg_sender
  gcc -Wall -Wl,--no-as-needed -O2 -g -I../../../../usr/include/ -isystem /home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/usr/include stress_reuseport_listen.c -o /home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net/stress_reuseport_listen
  clang -O2 -target bpf -c bpf/nat6to4.c -I../../bpf -I../../../../lib -I../../../../../usr/include/ -o /home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net/bpf/nat6to4.o
  bpf/nat6to4.c:43:10: fatal error: 'bpf/bpf_helpers.h' file not found
  #include
           ^~~~~~~~~~~~~~~~~~~
  1 error generated.
  make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net'
  make[1]: *** [bpf/Makefile:12: /home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net/bpf/nat6to4.o] Error 1
  make: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests'

Please find attachment for the complete build log.