Confd 8.3 doesn't start

I have built an image with confd8.3 (trying upgrade to this version for the first time from Confd 8.1.10) and the confd gone with phase0, and phase1 and then “not running”. Please help to find out the reason of this failed. The confd perr log is listed below:

ott-ads-647:(/auto/wsshibzhan-ott/confd-8.3-log)>cat confderr.log
{"21-Jun-2024::10:45:41.540",
 {error_report,<0.925.0>,
     {<0.927.0>,supervisor_report,
      [{supervisor,{local,netconf_sup}},
       {errorContext,start_error},
       {reason,
           {undef,
               [{confdssh_opt,new,["SSH options for Netconf server"],[]},
                {netconf_server,reload_config,1,
                    [{file,"netconf_server.erl"},{line,369}]},
                {netconf_server,init,1,
                    [{file,"netconf_server.erl"},{line,168}]},
                {gen_server,init_it,2,[{file,"gen_server.erl"},{line,858}]},
                {gen_server,init_it,6,[{file,"gen_server.erl"},{line,816}]},
                {proc_lib,init_p_do_apply,3,
                    [{file,"proc_lib.erl"},{line,240}]}]}},
       {offender,
           [{pid,undefined},
            {id,netconf_server},
            {mfargs,{netconf_server,start_link,[]}},
            {restart_type,permanent},
            {significant,false},
            {shutdown,2000},
            {child_type,worker}]}]}}}
{"21-Jun-2024::10:45:41.541",
 {error_report,<0.925.0>,
     {<0.930.0>,crash_report,
      [[{initial_call,{netconf_server,init,['Argument__1']}},
        {pid,<0.930.0>},
        {registered_name,[]},
        {error_info,
            {error,undef,
                [{confdssh_opt,new,["SSH options for Netconf server"],[]},
                 {netconf_server,reload_config,1,
                     [{file,"netconf_server.erl"},{line,369}]},
                 {netconf_server,init,1,
                     [{file,"netconf_server.erl"},{line,168}]},
                 {gen_server,init_it,2,[{file,"gen_server.erl"},{line,858}]},
                 {gen_server,init_it,6,[{file,"gen_server.erl"},{line,816}]},
                 {proc_lib,init_p_do_apply,3,
                     [{file,"proc_lib.erl"},{line,240}]}]}},
        {ancestors,[netconf_sup,<0.926.0>]},
        {message_queue_len,0},
        {messages,[]},
        {links,[<0.927.0>]},
        {dictionary,[]},
        {trap_exit,true},
        {status,running},
        {heap_size,6772},
        {stack_size,28},
        {reductions,3641}],
       []]}}}
{"21-Jun-2024::10:45:41.547",
 {error_report,<0.925.0>,
     {<0.925.0>,crash_report,
      [[{initial_call,
            {application_master,init,
                ['Argument__1','Argument__2','Argument__3','Argument__4']}},
        {pid,<0.925.0>},
        {registered_name,[]},
        {error_info,
            {exit,
                {{shutdown,
                     {failed_to_start_child,netconf_server,
                         {undef,
                             [{confdssh_opt,new,
                                  ["SSH options for Netconf server"],
                                  []},
                              {netconf_server,reload_config,1,
                                  [{file,"netconf_server.erl"},{line,369}]},
                              {netconf_server,init,1,
                                  [{file,"netconf_server.erl"},{line,168}]},
                              {gen_server,init_it,2,
                                  [{file,"gen_server.erl"},{line,858}]},
                              {gen_server,init_it,6,
                                  [{file,"gen_server.erl"},{line,816}]},
                              {proc_lib,init_p_do_apply,3,
                                  [{file,"proc_lib.erl"},{line,240}]}]}}},
                 {netconf_app,start,[normal,[]]}},
                [{application_master,init,4,
                     [{file,"application_master.erl"},{line,142}]},
                 {proc_lib,init_p_do_apply,3,
                     [{file,"proc_lib.erl"},{line,240}]}]}},
        {ancestors,[<0.924.0>]},
        {message_queue_len,1},
        {messages,[{'EXIT',<0.926.0>,normal}]},
        {links,[<0.924.0>,<0.14.0>]},
        {dictionary,[]},
        {trap_exit,true},
        {status,running},
        {heap_size,376},
        {stack_size,28},
        {reductions,214}],
       []]}}}
21-Jun-2024::10:45:41.560 <0.49.0> <0.922.0> Failed to start application netconf: {error,
                                                                                   {{shutdown,
                                                                                     {failed_to_start_child,
                                                                                      netconf_server,
                                                                                      {undef,
                                                                                       [{confdssh_opt,
                                                                                         new,
                                                                                         ["SSH options for Netconf server"],
                                                                                         []},
                                                                                        {netconf_server,
                                                                                         reload_config,
                                                                                         1,
                                                                                         [{file,
                                                                                           "netconf_server.erl"},
                                                                                          {line,
                                                                                           369}]},
                                                                                        {netconf_server,
                                                                                         init,
                                                                                         1,
                                                                                         [{file,
                                                                                           "netconf_server.erl"},
                                                                                          {line,
                                                                                           168}]},
                                                                                        {gen_server,
                                                                                         init_it,
                                                                                         2,
                                                                                         [{file,
                                                                                           "gen_server.erl"},
                                                                                          {line,
                                                                                           858}]},
                                                                                        {gen_server,
                                                                                         init_it,
                                                                                         6,
                                                                                         [{file,
                                                                                           "gen_server.erl"},
                                                                                          {line,
                                                                                           816}]},
                                                                                        {proc_lib,
                                                                                         init_p_do_apply,
                                                                                         3,
                                                                                         [{file,
                                                                                           "proc_lib.erl"},
                                                                                          {line,
                                                                                           240}]}]}}},
                                                                                    {netconf_app,
                                                                                     start,
                                                                                     [normal,
                                                                                      []]}}}
21-Jun-2024::10:45:42.638 <0.49.0> <0.55.0> init:boot_msg: "Internal error: Supervision terminated\n"{"21-Jun-2024::10:48:02.673",
 {error_report,<0.925.0>,
     {<0.927.0>,supervisor_report,
      [{supervisor,{local,netconf_sup}},
       {errorContext,start_error},
       {reason,
           {undef,
               [{confdssh_opt,new,["SSH options for Netconf server"],[]},
                {netconf_server,reload_config,1,
                    [{file,"netconf_server.erl"},{line,369}]},
                {netconf_server,init,1,
                    [{file,"netconf_server.erl"},{line,168}]},
                {gen_server,init_it,2,[{file,"gen_server.erl"},{line,858}]},
                {gen_server,init_it,6,[{file,"gen_server.erl"},{line,816}]},
                {proc_lib,init_p_do_apply,3,
                    [{file,"proc_lib.erl"},{line,240}]}]}},
       {offender,
           [{pid,undefined},
            {id,netconf_server},
            {mfargs,{netconf_server,start_link,[]}},
            {restart_type,permanent},
            {significant,false},
            {shutdown,2000},
            {child_type,worker}]}]}}}
{"21-Jun-2024::10:48:02.675",
 {error_report,<0.925.0>,
     {<0.930.0>,crash_report,
      [[{initial_call,{netconf_server,init,['Argument__1']}},
        {pid,<0.930.0>},
        {registered_name,[]},
        {error_info,
            {error,undef,
                [{confdssh_opt,new,["SSH options for Netconf server"],[]},
                 {netconf_server,reload_config,1,
                     [{file,"netconf_server.erl"},{line,369}]},
                 {netconf_server,init,1,
                     [{file,"netconf_server.erl"},{line,168}]},
                 {gen_server,init_it,2,[{file,"gen_server.erl"},{line,858}]},
                 {gen_server,init_it,6,[{file,"gen_server.erl"},{line,816}]},
                 {proc_lib,init_p_do_apply,3,
                     [{file,"proc_lib.erl"},{line,240}]}]}},
        {ancestors,[netconf_sup,<0.926.0>]},
        {message_queue_len,0},
        {messages,[]},
        {links,[<0.927.0>]},
        {dictionary,[]},
        {trap_exit,true},
        {status,running},
        {heap_size,6772},
        {stack_size,28},
        {reductions,3641}],
       []]}}}
{"21-Jun-2024::10:48:02.680",
 {error_report,<0.925.0>,
     {<0.925.0>,crash_report,
      [[{initial_call,
            {application_master,init,
                ['Argument__1','Argument__2','Argument__3','Argument__4']}},
        {pid,<0.925.0>},
        {registered_name,[]},
        {error_info,
            {exit,
                {{shutdown,
                     {failed_to_start_child,netconf_server,
                         {undef,
                             [{confdssh_opt,new,
                                  ["SSH options for Netconf server"],
                                  []},
                              {netconf_server,reload_config,1,
                                  [{file,"netconf_server.erl"},{line,369}]},
                              {netconf_server,init,1,
                                  [{file,"netconf_server.erl"},{line,168}]},
                              {gen_server,init_it,2,
                                  [{file,"gen_server.erl"},{line,858}]},
                              {gen_server,init_it,6,
                                  [{file,"gen_server.erl"},{line,816}]},
                              {proc_lib,init_p_do_apply,3,
                                  [{file,"proc_lib.erl"},{line,240}]}]}}},
                 {netconf_app,start,[normal,[]]}},
                [{application_master,init,4,
                     [{file,"application_master.erl"},{line,142}]},
                 {proc_lib,init_p_do_apply,3,
                     [{file,"proc_lib.erl"},{line,240}]}]}},
        {ancestors,[<0.924.0>]},
        {message_queue_len,1},
        {messages,[{'EXIT',<0.926.0>,normal}]},
        {links,[<0.924.0>,<0.14.0>]},
        {dictionary,[]},
        {trap_exit,true},
        {status,running},
        {heap_size,376},
        {stack_size,28},
        {reductions,214}],
       []]}}}
21-Jun-2024::10:48:02.691 <0.49.0> <0.922.0> Failed to start application netconf: {error,
                                                                                   {{shutdown,
                                                                                     {failed_to_start_child,
                                                                                      netconf_server,
                                                                                      {undef,
                                                                                       [{confdssh_opt,
                                                                                         new,
                                                                                         ["SSH options for Netconf server"],
                                                                                         []},
                                                                                        {netconf_server,
                                                                                         reload_config,
                                                                                         1,
                                                                                         [{file,
                                                                                           "netconf_server.erl"},
                                                                                          {line,
                                                                                           369}]},
                                                                                        {netconf_server,
                                                                                         init,
                                                                                         1,
                                                                                         [{file,
                                                                                           "netconf_server.erl"},
                                                                                          {line,
                                                                                           168}]},
                                                                                        {gen_server,
                                                                                         init_it,
                                                                                         2,
                                                                                         [{file,
                                                                                           "gen_server.erl"},
                                                                                          {line,
                                                                                           858}]},
                                                                                        {gen_server,
                                                                                         init_it,
                                                                                         6,
                                                                                         [{file,
                                                                                           "gen_server.erl"},
                                                                                          {line,
                                                                                           816}]},
                                                                                        {proc_lib,
                                                                                         init_p_do_apply,
                                                                                         3,
                                                                                         [{file,
                                                                                           "proc_lib.erl"},
                                                                                          {line,
                                                                                           240}]}]}}},
                                                                                    {netconf_app,
                                                                                     start,
                                                                                     [normal,
                                                                                      []]}}}
21-Jun-2024::10:48:03.757 <0.49.0> <0.55.0> init:boot_msg: "Internal error: Supervision terminated\n"

It turns out to be our packaging issue. confd_ssh.ez was not included.