samba - Jul 2019 - warning after samba update to 4.10.5

Hi,

I'm testing to upgrade samba AD DC from 4.4.5 to 4.10.5 and testing I
have detected that we receive this message:

[2019/07/04 08:28:26.449232,  5]
../../source4/libcli/dgram/dgramsocket.c:65(dgm_socket_recv)
  Received dgram packet of length 184 from 192.168.168.1:138
[2019/07/04 08:28:26.449375,  4]
../../source4/nbt_server/dgram/browse.c:70(nbtd_mailslot_browse_handler)
  Browse AnnouncementRequest (Op 2) on 'DOMAIN<1d>'
'\MAILSLOT\BROWSE'
from 192.168.168.2:138
[2019/07/04 08:28:26.449559,  5]
../../source4/libcli/dgram/dgramsocket.c:65(dgm_socket_recv)
  Received dgram packet of length 201 from 192.168.168.3:138

Is this correct?

Thanks!