I don't know if it helps, but I have one server constantly reporting incorrectly:
``` root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551568", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551567", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551567", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551566", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551566", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551566", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551566", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551564", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551564", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551563", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551562", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551565", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551567", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551568", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551569", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551569", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551570", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551570", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551570", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551569", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551569", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551570", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551571", root@kamailio1:~# kamctl rpc stats.get_statistics all | grep -e "dialog:active" "dialog:active_dialogs = 18446744073709551572", root@kamailio1:~# ```