[1.2] CONNECT  -> CONNECT\naccept-version:1.2,1.1,1.0\nhost:localhost\nheart-beat:0,0\n\n\0
[1.2] negotiated version = 1.2
[1.2] ACK      -> ACK\nid:a1\n\n\0
[1.2] receipt r1 consumed, pending_receipts = 0
[1.2] DISCONNECT receipt consumed, state = Closed
[1.1] CONNECT  -> CONNECT\naccept-version:1.2,1.1,1.0\nhost:localhost\nheart-beat:0,0\n\n\0
[1.1] negotiated version = 1.1
[1.1] ACK      -> ACK\nmessage-id:m1\nsubscription:s1\n\n\0
[1.1] receipt r1 consumed, pending_receipts = 0
[1.1] DISCONNECT receipt consumed, state = Closed
[1.0] CONNECT  -> CONNECT\naccept-version:1.2,1.1,1.0\nhost:localhost\nheart-beat:0,0\n\n\0
[1.0] negotiated version = 1.0
[1.0] ACK      -> ACK\nmessage-id:m1\n\n\0
[1.0] receipt r1 consumed, pending_receipts = 0
[1.0] DISCONNECT receipt consumed, state = Closed
--- explicit boundaries ---
rejected  NACK under 1.0: NACK unavailable in STOMP 1.0
rejected  client-individual under 1.0: invalid versioned acknowledgement mode
rejected  1.1/1.2 subscription without id: subscription id required
rejected  heart-beat offered with 1.0 only: STOMP 1.0 has no heartbeat negotiation
rejected  unsupported version 2.0: unsupported STOMP version
rejected  server answers with a version not offered: invalid version negotiation or CONNECTED EOL
