14 duplicated lines in:
  - ipv6/raw.c (957:971, 1%)
  - l2tp/l2tp_ip6.c (641:656, 2%)

13 duplicated lines in:
  - ipv6/raw.c (860:876, 1%)
  - l2tp/l2tp_ip6.c (558:574, 2%)

13 duplicated lines in:
  - ipv6/raw.c (1321:1335, 1%)
  - l2tp/l2tp_ip6.c (743:757, 2%)

12 duplicated lines in:
  - ipv6/raw.c (905:918, 1%)
  - l2tp/l2tp_ip6.c (595:609, 2%)

11 duplicated lines in:
  - ipv6/raw.c (923:937, 1%)
  - l2tp/l2tp_ip6.c (611:626, 2%)

9 duplicated lines in:
  - ipv6/raw.c (1323:1331, 1%)
  - l2tp/l2tp_ip.c (618:626, 2%)

8 duplicated lines in:
  - ipv6/udp.c (1465:1474, <1%)
  - l2tp/l2tp_ip6.c (585:594, 1%)

7 duplicated lines in:
  - ipv6/udp.c (1406:1420, <1%)
  - l2tp/l2tp_ip6.c (537:550, 1%)

7 duplicated lines in:
  - ipv6/raw.c (837:851, <1%)
  - l2tp/l2tp_ip6.c (537:550, 1%)

7 duplicated lines in:
  - ipv6/af_inet6.c (701:707, <1%)
  - l2tp/l2tp_ip6.c (735:741, 1%)

7 duplicated lines in:
  - ipv6/raw.c (1313:1319, <1%)
  - l2tp/l2tp_ip6.c (735:741, 1%)

7 duplicated lines in:
  - ipv6/raw.c (884:892, <1%)
  - l2tp/l2tp_ip6.c (582:591, 1%)

6 duplicated lines in:
  - ipv6/af_inet6.c (710:715, <1%)
  - l2tp/l2tp_ip6.c (744:749, 1%)