kex_exchange_identification: write: Connection reset

[AngryPanda]

$ ssh -v ubuntu@x.x.x.x
OpenSSH_for_Windows_8.1p1, LibreSSL 3.0.2
debug1: Connecting to x.x.x.x [x.x.x.x] port 22.
debug1: Connection established.
debug1: identity file C:\\Users\\username/.ssh/id_rsa type 0
debug1: identity file C:\\Users\\username/.ssh/id_rsa-cert type -1
debug1: identity file C:\\Users\\username/.ssh/id_dsa type -1
debug1: identity file C:\\Users\\username/.ssh/id_dsa-cert type -1
debug1: identity file C:\\Users\\username/.ssh/id_ecdsa type -1
debug1: identity file C:\\Users\\username/.ssh/id_ecdsa-cert type -1
debug1: identity file C:\\Users\\username/.ssh/id_ed25519 type -1
debug1: identity file C:\\Users\\username/.ssh/id_ed25519-cert type -1
debug1: identity file C:\\Users\\username/.ssh/id_xmss type -1
debug1: identity file C:\\Users\\username/.ssh/id_xmss-cert type -1
kex_exchange_identification: write: Connection reset

请问这个是什么情况啊？