24 duplicated lines in:
  - ipv4/ip_vti.c (333:358, 5%)
  - xfrm/xfrm_interface.c (414:439, 3%)

10 duplicated lines in:
  - ipv4/ah4.c (449:460, 2%)
  - xfrm/xfrm_interface.c (431:442, 1%)

10 duplicated lines in:
  - ipv4/esp4.c (979:990, 1%)
  - xfrm/xfrm_interface.c (431:442, 1%)

9 duplicated lines in:
  - ipv4/ipcomp.c (30:38, 7%)
  - xfrm/xfrm_interface.c (431:439, 1%)

7 duplicated lines in:
  - ipv4/ip_vti.c (118:125, 1%)
  - xfrm/xfrm_interface.c (240:247, 1%)

6 duplicated lines in:
  - ipv4/ip_vti.c (366:372, 1%)
  - xfrm/xfrm_interface.c (453:459, <1%)