Comment by rhubarbtse

Hostname is not the issue, it can connect and then fails some handshake or whatever. Adding verbosity just seems to hexdump the packets in addition to logging an error.

[2025.11.26-09:10:21.460] [FINE ] got server SSH_MSG_KEX_ECDH_INIT

sending: length = 48

0000 00 00 00 2C 06 1E 00 00 00 20 D0 91 2C 8F 57 AF ...,..... ..,.W.

0010 91 B2 F9 C5 77 42 30 D1 2E A5 A0 B2 C6 C8 76 4C ....wB0.......vL

0020 5F 32 27 E7 1F 0D A2 32 C0 3A 00 00 00 00 00 00 _2'....2.:......

[2025.11.26-09:10:21.520] [FINE ] sent server SSH_MSG_KEX_ECDH_INIT

[2025.11.26-09:10:21.533] [ERROR] can't read 4 uint8_t header, got 0

[2025.11.26-09:10:21.540] [ERROR] can't read SSH_MSG_KEX_ECDH_REPLY

[2025.11.26-09:10:21.554] [FINE ] bye bye

ERROR: 16 - tcp read failed