ssh root@IP -v 连接不上

ssh root@IP -v OpenSSH_8.7p1, OpenSSL 1.1.1f 31 Mar 2020 debug1: Connecting to IP [IP] port 22. debug1: Connection established. debug1: identity file /home/1/.ssh/id_rsa type -1 debug1: identity file /home/1/.ssh/id_rsa-cert type -1 debug1: identity file /home/1/.ssh/id_dsa type -1 debug1: identity file /home/1/.ssh/id_dsa-cert type -1 debug1: identity file /home/1/.ssh/id_ecdsa type -1 debug1: identity file /home/1/.ssh/id_ecdsa-cert type -1 debug1: identity file /home/1/.ssh/id_ecdsa_sk type -1 debug1: identity file /home/1/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /home/1/.ssh/id_ed25519 type -1 debug1: identity file /home/1/.ssh/id_ed25519-cert type -1 debug1: identity file /home/1/.ssh/id_ed25519_sk type -1 debug1: identity file /home/1/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /home/1/.ssh/id_xmss type -1 debug1: identity file /home/1/.ssh/id_xmss-cert type -1 debug1: kex_exchange_identification: write: Connection reset by peer Connection reset by IP port 22

这是什么情况导致的客户端连接不上？