Comment 8 for bug 1934414

Confirmed test_bpf.sh is now successfully on i386 with bionic/linux 4.15.0-163.171:

https://autopkgtest.ubuntu.com/results/autopkgtest-bionic/bionic/i386/l/linux/20211117_200907_95566@/log.gz

18:27:04 INFO | START ubuntu_kernel_selftests.net:test_bpf.sh ubuntu_kernel_selftests.net:test_bpf.sh timestamp=1637173624 timeout=1800 localtime=Nov 17 18:27:04
18:27:04 DEBUG| Persistent state client._record_indent now set to 2
18:27:04 DEBUG| Persistent state client.unexpected_reboot now set to ('ubuntu_kernel_selftests.net:test_bpf.sh', 'ubuntu_kernel_selftests.net:test_bpf.sh')
18:27:04 DEBUG| Waiting for pid 10439 for 1800 seconds
18:27:04 DEBUG| Running 'make run_tests -C net TEST_PROGS=test_bpf.sh TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
18:27:04 DEBUG| [stdout] make: Entering directory '/tmp/autopkgtest.U5vLyA/build.Xnj/src/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net'
18:27:04 DEBUG| [stdout] make --no-builtin-rules ARCH=x86 -C ../../../.. headers_install
18:27:04 DEBUG| [stdout] make[1]: Entering directory '/tmp/autopkgtest.U5vLyA/build.Xnj/src/autotest/client/tmp/ubuntu_kernel_selftests/src/linux'
18:27:05 DEBUG| [stdout] CHK include/generated/uapi/linux/version.h
18:27:05 DEBUG| [stdout] make[1]: Leaving directory '/tmp/autopkgtest.U5vLyA/build.Xnj/src/autotest/client/tmp/ubuntu_kernel_selftests/src/linux'
18:27:05 DEBUG| [stdout] TAP version 13
18:27:05 DEBUG| [stdout] selftests: test_bpf.sh
18:27:05 DEBUG| [stdout] ========================================
18:27:28 DEBUG| [stdout] test_bpf: ok
18:27:28 DEBUG| [stdout] ok 1..1 selftests: test_bpf.sh [PASS]
18:27:28 DEBUG| [stdout] make: Leaving directory '/tmp/autopkgtest.U5vLyA/build.Xnj/src/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net'
18:27:28 INFO | GOOD ubuntu_kernel_selftests.net:test_bpf.sh ubuntu_kernel_selftests.net:test_bpf.sh timestamp=1637173648 localtime=Nov 17 18:27:28 completed successfully
18:27:28 INFO | END GOOD ubuntu_kernel_selftests.net:test_bpf.sh ubuntu_kernel_selftests.net:test_bpf.sh timestamp=1637173648 localtime=Nov 17 18:27:28