WARNING: Possible repeated word: 'that'
#35: 
I guess that that commit expected that NETDEV_DOWN event is fired before

WARNING: Possible repeated word: 'that'
#58: 
I guess that that commit missed the behavior in the previous paragraph.

total: 0 errors, 2 warnings, 0 checks, 25 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 c65903af3c69 ("xfrm: always flush state and policy upon NETDEV_UNREGISTER event") 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, 2 warnings, 0 checks, 25 lines checked