WARNING: line length of 87 exceeds 80 columns
#51: FILE: tools/testing/selftests/bpf/prog_tests/xdp_bonding.c:632:
+	SYS(out, "ip link add bond0 type bond mode 802.3ad xmit_hash_policy layer2+3");

WARNING: line length of 93 exceeds 80 columns
#69: FILE: tools/testing/selftests/bpf/prog_tests/xdp_bonding.c:650:
+	err = system("ip link set bond0 type bond xmit_hash_policy vlan+srcmac 2>/dev/null");

WARNING: line length of 93 exceeds 80 columns
#77: FILE: tools/testing/selftests/bpf/prog_tests/xdp_bonding.c:658:
+	err = system("ip link set bond0 type bond xmit_hash_policy vlan+srcmac 2>/dev/null");

total: 0 errors, 3 warnings, 0 checks, 70 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit ea6a0749dab0 ("selftests/bpf: add test for xdp_bonding xmit_hash_policy compat") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 3 warnings, 0 checks, 70 lines checked