로그가 무슨뜻인지 궁금합니다.

몇일전부터 수상한 로그가 쌓이는데 자료를 찾아봐도 없어서 문의드립니다.

혹시 해킹이나 위협적인 일이 발생하는 것이 아닐까요?

아래는 로그 샘플이며 레드햇 커널 2.4.20을 사용하고 있습니다.

아직 커널업데이트를 할 자신이 없어서....

Dec 16 11:06:57 ad1 kernel: Redirect from 111.111.111.74 on eth0 about 111.111.111.77 ignored.
Dec 16 11:06:57 ad1 kernel:   Advised path = 222.222.222.248 -> 111.111.111.77, tos 00
Dec 16 11:06:57 ad1 kernel: Redirect from 111.111.111.74 on eth0 about 111.111.111.77 ignored.
Dec 16 11:06:57 ad1 kernel:   Advised path = 222.222.222.248 -> 111.111.111.77, tos 00
Dec 16 11:06:57 ad1 kernel: Redirect from 111.111.111.74 on eth0 about 111.111.111.77 ignored.
Dec 16 11:06:57 ad1 kernel:   Advised path = 222.222.222.248 -> 111.111.111.77, tos 00
Dec 16 11:06:57 ad1 kernel: Redirect from 111.111.111.74 on eth0 about 111.111.111.77 ignored.
Dec 16 11:06:57 ad1 kernel:   Advised path = 222.222.222.248 -> 111.111.111.77, tos 00
Dec 16 11:07:49 ad1 kernel: Redirect from 111.111.111.74 on eth0 about 111.111.111.77 ignored.
Dec 16 11:07:49 ad1 kernel:   Advised path = 222.222.222.248 -> 111.111.111.77, tos 00
Dec 16 11:07:49 ad1 kernel: Redirect from 111.111.111.74 on eth0 about 111.111.111.77 ignored.
Dec 16 11:07:49 ad1 kernel:   Advised path = 222.222.222.248 -> 111.111.111.77, tos 00
Dec 16 11:07:49 ad1 kernel: Redirect from 111.111.111.74 on eth0 about 111.111.111.77 ignored.
Dec 16 11:07:49 ad1 kernel:   Advised path = 222.222.222.248 -> 111.111.111.77, tos 00
Dec 16 11:07:49 ad1 kernel: Redirect from 111.111.111.74 on eth0 about 111.111.111.77 ignored.
Dec 16 11:07:49 ad1 kernel:   Advised path = 222.222.222.248 -> 111.111.111.77, tos 00

아이피 주소는 제가 변경했구요...

무슨 이유에서 이런 로그가 남는지 좀 알려주세요.