tail -f /var/log/syslog
May 20 17:13:27 Repetier-Server systemd[1]: apt-daily-upgrade.timer: Adding 27min 36.616443s random time.
May 20 17:13:28 Repetier-Server wpa_supplicant[475]: wlan0: Failed to initiate sched scan
May 20 17:14:01 Repetier-Server wpa_supplicant[475]: wlan0: Failed to initiate sched scan
May 20 17:14:44 Repetier-Server wpa_supplicant[475]: wlan0: Failed to initiate sched scan
May 20 17:15:37 Repetier-Server wpa_supplicant[475]: wlan0: Failed to initiate sched scan
May 20 17:16:40 Repetier-Server wpa_supplicant[475]: wlan0: Failed to initiate sched scan
May 20 17:16:41 Repetier-Server systemd[1]: Started Session c2 of user pi.
May 20 17:16:44 Repetier-Server NetworkManager[315]: <info>  [1558372604.8918] device (wlan0): supplicant interface state: inactive -> disabled
May 20 17:17:01 Repetier-Server CRON[2266]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
May 20 17:17:40 Repetier-Server wpa_supplicant[475]: wlan0: CTRL-EVENT-SCAN-FAILED ret=-100 retry=1
May 20 17:18:43 Repetier-Server dhcpcd[539]: wlan0: new hardware address: 36:5d:a8:79:55:65
May 20 17:18:43 Repetier-Server NetworkManager[315]: <info>  [1558372723.2966] device (wlan0): set-hw-addr: set MAC address to 36:5D:A8:79:55:65 (scanning)
May 20 17:18:43 Repetier-Server wpa_supplicant[475]: wlan0: CTRL-EVENT-SCAN-FAILED ret=-100 retry=1
May 20 17:19:40 Repetier-Server dhcpcd[539]: eth0: Router Advertisement from fe80::ee43:f6ff:fe03:da38
May 20 17:19:40 Repetier-Server dhcpcd[539]: eth0: requesting DHCPv6 information
May 20 17:19:46 Repetier-Server wpa_supplicant[475]: wlan0: CTRL-EVENT-SCAN-FAILED ret=-100 retry=1
May 20 17:20:49 Repetier-Server wpa_supplicant[475]: wlan0: CTRL-EVENT-SCAN-FAILED ret=-100 retry=1
May 20 17:21:52 Repetier-Server wpa_supplicant[475]: wlan0: CTRL-EVENT-SCAN-FAILED ret=-100 retry=1
May 20 17:22:21 Repetier-Server ntpd[677]: 78.140.251.2 local addr 192.168.0.24 -> <null>
May 20 17:22:55 Repetier-Server wpa_supplicant[475]: wlan0: CTRL-EVENT-SCAN-FAILED ret=-100 retry=1
May 20 17:23:01 Repetier-Server ntpd[677]: 185.22.60.71 local addr 192.168.0.24 -> <null>
May 20 17:23:58 Repetier-Server dhcpcd[539]: wlan0: new hardware address: 26:f2:26:76:d6:c1
May 20 17:23:58 Repetier-Server NetworkManager[315]: <info>  [1558373038.2865] device (wlan0): set-hw-addr: set MAC address to 26:F2:26:76:D6:C1 (scanning)
May 20 17:23:58 Repetier-Server wpa_supplicant[475]: wlan0: CTRL-EVENT-SCAN-FAILED ret=-100 retry=1
May 20 17:24:54 Repetier-Server dhcpcd[539]: eth0: Router Advertisement from fe80::ee43:f6ff:fe03:da38
May 20 17:24:54 Repetier-Server dhcpcd[539]: eth0: requesting DHCPv6 information
May 20 17:25:01 Repetier-Server wpa_supplicant[475]: wlan0: CTRL-EVENT-SCAN-FAILED ret=-100 retry=1
May 20 17:25:47 Repetier-Server ntpd[677]: 37.235.209.151 local addr 192.168.0.24 -> <null>
May 20 17:26:04 Repetier-Server wpa_supplicant[475]: wlan0: CTRL-EVENT-SCAN-FAILED ret=-100 retry=1
May 20 17:26:27 Repetier-Server ntpd[677]: 88.212.196.95 local addr 192.168.0.24 -> <null>
May 20 17:26:36 Repetier-Server dhcpcd[539]: eth0: Router Advertisement from fe80::ee43:f6ff:fe03:da38
May 20 17:26:36 Repetier-Server dhcpcd[539]: eth0: requesting DHCPv6 information