Some sort of tar-pit attack?
Showed up during boot.
Code:
TCP: Treason uncloaked! Peer 129.2.248.48:4083/80 shrinks window 2508976180:2508982288. Repaired. sending pkt_too_big (len[1500] pmtu[1492]) to self sending pkt_too_big (len[1500] pmtu[1492]) to self sending pkt_too_big (len[1500] pmtu[1492]) to self sending pkt_too_big (len[1500] pmtu[1492]) to self sending pkt_too_big (len[1500] pmtu[1492]) to self sending pkt_too_big (len[1500] pmtu[1492]) to self sending pkt_too_big (len[1500] pmtu[1492]) to self sending pkt_too_big (len[1500] pmtu[1492]) to self TCP: Treason uncloaked! Peer 200.73.144.242:4642/80 shrinks window 3337277682:3337277683. Repaired. sending pkt_too_big (len[1500] pmtu[1492]) to self sending pkt_too_big (len[1500] pmtu[1492]) to self