Authentication with SSL client certificates fails (SASL)

rabbit-test-sasl.log

=CRASH REPORT==== 21-Apr-2015::12:26:48 ===
  crasher:
    initial call: gen:init_it/6
    pid: <0.436.0>
    registered_name: []
    exception exit: {network_error,
                        {ssl_upgrade_error,{tls_alert,"handshake failure"}},
                        "XXX.XXX.XXX.XXX:57674 -> XXX.XXX.XXX.XXX:8883"}
      in function  gen_server2:terminate/3 (src/gen_server2.erl, line 1145)
    ancestors: [<0.435.0>,rabbit_mqtt_client_sup,rabbit_mqtt_sup,<0.317.0>]
    messages: []
    links: [<0.435.0>]
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 2586
    stack_size: 27
    reductions: 2950
  neighbours:

=SUPERVISOR REPORT==== 21-Apr-2015::12:26:48 ===
     Supervisor: {<0.435.0>,
                                           rabbit_mqtt_connection_sup}
     Context:    child_terminated
     Reason:     {network_error,
                     {ssl_upgrade_error,{tls_alert,"handshake failure"}},
                     "XXX.XXX.XXX.XXX:57674 -> XXX.XXX.XXX.XXX:8883"}
     Offender:   [{pid,<0.436.0>},
                  {name,rabbit_mqtt_reader},
                  {mfargs,{rabbit_mqtt_reader,start_link,[]}},
                  {restart_type,intrinsic},
                  {shutdown,4294967295},
                  {child_type,worker}]


=SUPERVISOR REPORT==== 21-Apr-2015::12:26:48 ===
     Supervisor: {<0.435.0>,
                                           rabbit_mqtt_connection_sup}
     Context:    shutdown
     Reason:     reached_max_restart_intensity
     Offender:   [{pid,<0.436.0>},
                  {name,rabbit_mqtt_reader},
                  {mfargs,{rabbit_mqtt_reader,start_link,[]}},
                  {restart_type,intrinsic},
                  {shutdown,4294967295},
                  {child_type,worker}]


=CRASH REPORT==== 21-Apr-2015::12:26:48 ===
  crasher:
    initial call: gen:init_it/6
    pid: <0.440.0>
    registered_name: []
    exception exit: {network_error,
                        {ssl_upgrade_error,{tls_alert,"handshake failure"}},
                        "XXX.XXX.XXX.XXX:57675 -> XXX.XXX.XXX.XXX:8883"}
      in function  gen_server2:terminate/3 (src/gen_server2.erl, line 1145)
    ancestors: [<0.439.0>,rabbit_mqtt_client_sup,rabbit_mqtt_sup,<0.317.0>]
    messages: []
    links: [<0.439.0>]
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 2586
    stack_size: 27
    reductions: 2954
  neighbours:

=SUPERVISOR REPORT==== 21-Apr-2015::12:26:48 ===
     Supervisor: {<0.439.0>,
                                           rabbit_mqtt_connection_sup}
     Context:    child_terminated
     Reason:     {network_error,
                     {ssl_upgrade_error,{tls_alert,"handshake failure"}},
                     "XXX.XXX.XXX.XXX:57675 -> XXX.XXX.XXX.XXX:8883"}
     Offender:   [{pid,<0.440.0>},
                  {name,rabbit_mqtt_reader},
                  {mfargs,{rabbit_mqtt_reader,start_link,[]}},
                  {restart_type,intrinsic},
                  {shutdown,4294967295},
                  {child_type,worker}]


=SUPERVISOR REPORT==== 21-Apr-2015::12:26:48 ===
     Supervisor: {<0.439.0>,
                                           rabbit_mqtt_connection_sup}
     Context:    shutdown
     Reason:     reached_max_restart_intensity
     Offender:   [{pid,<0.440.0>},
                  {name,rabbit_mqtt_reader},
                  {mfargs,{rabbit_mqtt_reader,start_link,[]}},
                  {restart_type,intrinsic},
                  {shutdown,4294967295},
                  {child_type,worker}]


=CRASH REPORT==== 21-Apr-2015::12:26:48 ===
  crasher:
    initial call: gen:init_it/6
    pid: <0.444.0>
    registered_name: []
    exception exit: {network_error,
                        {ssl_upgrade_error,{tls_alert,"handshake failure"}},
                        "XXX.XXX.XXX.XXX:57676 -> XXX.XXX.XXX.XXX:8883"}
      in function  gen_server2:terminate/3 (src/gen_server2.erl, line 1145)
    ancestors: [<0.443.0>,rabbit_mqtt_client_sup,rabbit_mqtt_sup,<0.317.0>]
    messages: []
    links: [<0.443.0>]
    dictionary: []
    trap_exit: true
    status: running
    heap_size: 2586
    stack_size: 27
    reductions: 2954
  neighbours:

=SUPERVISOR REPORT==== 21-Apr-2015::12:26:48 ===
     Supervisor: {<0.443.0>,
                                           rabbit_mqtt_connection_sup}
     Context:    child_terminated
     Reason:     {network_error,
                     {ssl_upgrade_error,{tls_alert,"handshake failure"}},
                     "XXX.XXX.XXX.XXX:57676 -> XXX.XXX.XXX.XXX:8883"}
     Offender:   [{pid,<0.444.0>},
                  {name,rabbit_mqtt_reader},
                  {mfargs,{rabbit_mqtt_reader,start_link,[]}},
                  {restart_type,intrinsic},
                  {shutdown,4294967295},
                  {child_type,worker}]


=SUPERVISOR REPORT==== 21-Apr-2015::12:26:48 ===
     Supervisor: {<0.443.0>,
                                           rabbit_mqtt_connection_sup}
     Context:    shutdown
     Reason:     reached_max_restart_intensity
     Offender:   [{pid,<0.444.0>},
                  {name,rabbit_mqtt_reader},
                  {mfargs,{rabbit_mqtt_reader,start_link,[]}},
                  {restart_type,intrinsic},
                  {shutdown,4294967295},
                  {child_type,worker}]