[tor-relays] TCP: Peer unexpectedly shrunk window

[krishna e bera]

Are such messages something to worry about?  What do they mean?
Example from dmesg log:

[422949.356062] TCP: Peer 79.22.114.39:60467/9001 unexpectedly shrunk
window 2565384113:2565389251 (repaired)
[427073.032013] TCP: Peer 217.20.253.198:17482/9001 unexpectedly shrunk
window 2017146666:2017147597 (repaired)
[478256.668534] TCP: Peer 2.236.7.28:49367/9001 unexpectedly shrunk
window 176191274:176194194 (repaired)
[502615.724129] TCP: Peer 217.20.253.198:53308/9001 unexpectedly shrunk
window 792267503:792268436 (repaired)
[514591.656053] TCP: Peer 217.20.253.198:63743/9001 unexpectedly shrunk
window 445257517:445258452 (repaired)
[527753.064036] TCP: Peer 94.38.5.188:49377/9001 unexpectedly shrunk
window 2291195973:2291197433 (repaired)
[633078.304041] TCP: Peer 87.89.75.107:59567/9001 unexpectedly shrunk
window 3718547610:3718553466 (repaired)
[633079.672021] TCP: Peer 87.89.75.107:59567/9001 unexpectedly shrunk
window 3718547610:3718553466 (repaired)
[673170.600037] TCP: Peer 82.89.173.120:50392/9001 unexpectedly shrunk
window 2473022599:2473024051 (repaired)
[714540.672036] TCP: Peer 217.20.253.198:20805/9001 unexpectedly shrunk
window 3814426018:3814426947 (repaired)
[755391.792076] TCP: Peer 79.223.168.103:61238/9001 unexpectedly shrunk
window 2799388466:2799406672 (repaired)
[755392.864013] TCP: Peer 79.223.168.103:61238/9001 unexpectedly shrunk
window 2799388466:2799406672 (repaired)


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