/var/log/messages에 이상한 ip가 찍히는데 이거 뭔가요?

/var/log/messages파일입니다

이상한 ip가 찍히는데 이거 뭔가요?

Oct 21 13:03:58 localhost dbus[770]: [system] Failed to activate service 'org.bluez': timed out
Oct 21 13:03:58 localhost dbus-daemon: dbus[770]: [system] Failed to activate service 'org.bluez': timed out
Oct 21 13:03:58 localhost pulseaudio[2010]: [pulseaudio] bluez5-util.c: GetManagedObjects() failed: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
Oct 21 13:04:24 localhost chronyd[818]: Selected source 106.247.248.106
Oct 21 13:04:27 localhost journal: No devices in use, exit
Oct 21 13:09:49 localhost chronyd[818]: Selected source 211.233.78.116

조금후에  아래가 또 찍히는데요

Oct 21 13:15:11 localhost chronyd[818]: Selected source 106.247.248.106