I get now
OpenSSH_8.2p1 Ubuntu-4ubuntu0.4, OpenSSL 1.1.1f 31 Mar 2020
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: include /etc/ssh/ssh_config.d/*.conf matched no files
debug1: /etc/ssh/ssh_config line 21: Applying options for *
debug1: Connecting to 34.91.51.162 [34.91.51.162] port 22.
debug1: Connection established.
debug1: identity file /home/jakub/.ssh/google_compute_engine type 0
debug1: identity file /home/jakub/.ssh/google_compute_engine-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_8.2p1 Ubuntu-4ubuntu0.4
debug1: Remote protocol version 2.0, remote software version OpenSSH_8.2p1 Ubuntu-4ubuntu0.3
debug1: match: OpenSSH_8.2p1 Ubuntu-4ubuntu0.3 pat OpenSSH* compat 0x04000000
debug1: Authenticating to 34.91.51.162:22 as 'jakub'
debug1: using hostkeyalias: compute.9156550384768265985
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: algorithm: curve25519-sha256
debug1: kex: host key algorithm: ecdsa-sha2-nistp256
debug1: kex: server->client cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none
debug1: kex: client->server cipher: chacha20-poly1305@openssh.com MAC: <implicit> compression: none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:kEXzW1Qwb+6DKZl9KHHUvmXx7TRxWqGziKxoakuqqDo
debug1: using hostkeyalias: compute.9156550384768265985
debug1: Host 'compute.9156550384768265985' is known and matches the ECDSA host key.
debug1: Found key in /home/jakub/.ssh/google_compute_known_hosts:1
debug1: rekey out after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: rekey in after 134217728 blocks
debug1: Will attempt key: /home/jakub/.ssh/google_compute_engine RSA SHA256:6zlo8Lr1FqjYmaTW8zySDf0bb/oHNcMOzOs80Wkl/dg explicit agent
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<ssh-ed25519,sk-ssh-ed25519@openssh.com,ssh-rsa,rsa-sha2-256,rsa-sha2-512,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,sk-ecdsa-sha2-nistp256@openssh.com>
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Offering public key: /home/jakub/.ssh/google_compute_engine RSA SHA256:6zlo8Lr1FqjYmaTW8zySDf0bb/oHNcMOzOs80Wkl/dg explicit agent
debug1: Server accepts key: /home/jakub/.ssh/google_compute_engine RSA SHA256:6zlo8Lr1FqjYmaTW8zySDf0bb/oHNcMOzOs80Wkl/dg explicit agent
debug1: Authentication succeeded (publickey).
Authenticated to 34.91.51.162 ([34.91.51.162]:22).
debug1: Local connections to LOCALHOST:8888 forwarded to remote address localhost:22222
debug1: Local forwarding listening on 127.0.0.1 port 8888.
debug1: channel 0: new [port listener]
debug1: Requesting no-more-sessions@openssh.com
debug1: Entering interactive session.
debug1: pledge: network
debug1: client_input_global_request: rtype hostkeys-00@openssh.com want_reply 0
debug1: Remote: /home/jakub/.ssh/authorized_keys:2: key options: agent-forwarding port-forwarding pty user-rc x11-forwarding
debug1: Remote: /home/jakub/.ssh/authorized_keys:2: key options: agent-forwarding port-forwarding pty user-rc x11-forwarding
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 2: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
channel 2: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37462 to 127.0.0.1 port 8888, nchannels 3
debug1: channel 2: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37464 to 127.0.0.1 port 8888, nchannels 2
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37466 to 127.0.0.1 port 8888, nchannels 2
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 2: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
channel 2: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37468 to 127.0.0.1 port 8888, nchannels 3
debug1: channel 2: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37470 to 127.0.0.1 port 8888, nchannels 2
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37472 to 127.0.0.1 port 8888, nchannels 2
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 2: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
channel 2: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37474 to 127.0.0.1 port 8888, nchannels 3
debug1: channel 2: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37476 to 127.0.0.1 port 8888, nchannels 2
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37478 to 127.0.0.1 port 8888, nchannels 2
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 2: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
channel 2: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37480 to 127.0.0.1 port 8888, nchannels 3
debug1: channel 2: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37482 to 127.0.0.1 port 8888, nchannels 2
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37484 to 127.0.0.1 port 8888, nchannels 2
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 2: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
channel 2: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37486 to 127.0.0.1 port 8888, nchannels 3
debug1: channel 2: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37490 to 127.0.0.1 port 8888, nchannels 2
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37492 to 127.0.0.1 port 8888, nchannels 2
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 2: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
channel 2: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37494 to 127.0.0.1 port 8888, nchannels 3
debug1: channel 2: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37496 to 127.0.0.1 port 8888, nchannels 2
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37498 to 127.0.0.1 port 8888, nchannels 2
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 2: new [direct-tcpip]
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
channel 1: open failed: connect failed: Connection refused
channel 2: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37508 to 127.0.0.1 port 8888, nchannels 3
debug1: channel 2: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37510 to 127.0.0.1 port 8888, nchannels 2
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37512 to 127.0.0.1 port 8888, nchannels 2
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 2: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
channel 2: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37514 to 127.0.0.1 port 8888, nchannels 3
debug1: channel 2: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37516 to 127.0.0.1 port 8888, nchannels 2
debug1: Connection to port 8888 forwarding to localhost port 22222 requested.
debug1: channel 1: new [direct-tcpip]
channel 1: open failed: connect failed: Connection refused
debug1: channel 1: free: direct-tcpip: listening port 8888 for localhost port 22222, connect from 127.0.0.1 port 37518 to 127.0.0.1 port 8888, nchannels 2
debug1: client_input_global_request: rtype keepalive@openssh.com want_reply 1