Periodically getting FunctionClauseError from Mariaex.Messages.decode_msg(<<5>>, :running) #151

** (FunctionClauseError) no function clause matching in Mariaex.Messages.decode_msg/2
    (mariaex) lib/mariaex/messages.ex:215: Mariaex.Messages.decode_msg(<<5>>, :running)
    (mariaex) lib/mariaex/messages.ex:209: Mariaex.Messages.decode/2
    (mariaex) lib/mariaex/protocol.ex:610: Mariaex.Protocol.msg_recv/3
    (mariaex) lib/mariaex/protocol.ex:217: Mariaex.Protocol.disconnect/2
    (db_connection) lib/db_connection/connection.ex:178: DBConnection.Connection.disconnect/2
    (connection) lib/connection.ex:767: Connection.disconnect/3
    (stdlib) gen_server.erl:615: :gen_server.try_dispatch/4
    (stdlib) gen_server.erl:681: :gen_server.handle_msg/5

=CRASH REPORT==== 16-Nov-2016::21:51:15 ===
  crasher:
    initial call: Elixir.DBConnection.Connection:init/1
    pid: <0.1844.0>
    registered_name: []
    exception exit: {function_clause,
                        [{'Elixir.Mariaex.Messages',decode_msg,
                             [<<5>>,running],
                             [{file,"lib/mariaex/messages.ex"},{line,215}]},
                         {'Elixir.Mariaex.Messages',decode,2,
                             [{file,"lib/mariaex/messages.ex"},{line,209}]},
                         {'Elixir.Mariaex.Protocol',msg_recv,3,
                             [{file,"lib/mariaex/protocol.ex"},{line,610}]},
                         {'Elixir.Mariaex.Protocol',disconnect,2,
                             [{file,"lib/mariaex/protocol.ex"},{line,217}]},
                         {'Elixir.DBConnection.Connection',disconnect,2,
                             [{file,"lib/db_connection/connection.ex"},
                              {line,178}]},
                         {'Elixir.Connection',disconnect,3,
                             [{file,"lib/connection.ex"},{line,767}]},
                         {gen_server,try_dispatch,4,
                             [{file,"gen_server.erl"},{line,615}]},
                         {gen_server,handle_msg,5,
                             [{file,"gen_server.erl"},{line,681}]}]}
      in function  gen_server:terminate/7 (gen_server.erl, line 814)
    ancestors: [<0.1841.0>,'Elixir.Delorean.Legion.Shard1Repo.Pool',
                  'Elixir.Delorean.Legion.Shard1Repo',
                  'Elixir.Delorean.Legion.Supervisor',<0.1822.0>]
    messages: []
    links: [<0.1840.0>,<0.1841.0>,#Port<0.5966>,#Port<0.1321426>]
    dictionary: []
    trap_exit: false
    status: running
    heap_size: 1598
    stack_size: 27
    reductions: 9491627
  neighbours:

=SUPERVISOR REPORT==== 16-Nov-2016::21:51:15 ===
     Supervisor: {<0.1841.0>,poolboy_sup}
     Context:    child_terminated
     Reason:     {function_clause,
                     [{'Elixir.Mariaex.Messages',decode_msg,
                          [<<5>>,running],
                          [{file,"lib/mariaex/messages.ex"},{line,215}]},
                      {'Elixir.Mariaex.Messages',decode,2,
                          [{file,"lib/mariaex/messages.ex"},{line,209}]},
                      {'Elixir.Mariaex.Protocol',msg_recv,3,
                          [{file,"lib/mariaex/protocol.ex"},{line,610}]},
                      {'Elixir.Mariaex.Protocol',disconnect,2,
                          [{file,"lib/mariaex/protocol.ex"},{line,217}]},
                      {'Elixir.DBConnection.Connection',disconnect,2,
                          [{file,"lib/db_connection/connection.ex"},
                           {line,178}]},
                      {'Elixir.Connection',disconnect,3,
                          [{file,"lib/connection.ex"},{line,767}]},
                      {gen_server,try_dispatch,4,
                          [{file,"gen_server.erl"},{line,615}]},
                      {gen_server,handle_msg,5,
                          [{file,"gen_server.erl"},{line,681}]}]}
     Offender:   [{pid,<0.1844.0>},
                  {id,'Elixir.DBConnection.Poolboy.Worker'},
                  {mfargs,
                      {'Elixir.DBConnection.Poolboy.Worker',start_link,
                          undefined}},
                  {restart_type,temporary},
                  {shutdown,5000},
                  {child_type,worker}]