sudo NetworkManager --debug
<info>  [1569943971.5369] NetworkManager (version 1.10.6) is starting... (after a restart)
<info>  [1569943971.5371] Read config: /etc/NetworkManager/NetworkManager.conf (lib: 10-dns-resolved.conf, 20-connectivity-ubuntu.conf, no-mac-addr-change.conf) (etc: 10-globally-managed-devices.conf, 10-ubuntu-fan.conf, default-wifi-powersave-on.conf)
<info>  [1569943971.5548] manager[0x55acda5080]: monitoring kernel firmware directory '/lib/firmware'.
<info>  [1569943971.5550] monitoring ifupdown state file '/run/network/ifstate'.
<info>  [1569943971.7851] hostname: hostname: using hostnamed
<info>  [1569943971.7852] hostname: hostname changed from (none) to "gaanesh-desktop"
<info>  [1569943971.7860] dns-mgr[0x55acdbf970]: init: dns=systemd-resolved, rc-manager=symlink, plugin=systemd-resolved
<info>  [1569943971.7890] rfkill1: found WiFi radio killswitch (at /sys/devices/1003000.pcie/pci0000:00/0000:00:01.0/0000:01:00.0/ieee80211/phy0/rfkill1) (driver iwlwifi)
<info>  [1569943971.7897] manager[0x55acda5080]: rfkill: WiFi hardware radio set enabled
<info>  [1569943971.7898] manager[0x55acda5080]: rfkill: WWAN hardware radio set enabled
<error> [1569943971.7935] bus-manager: could not acquire the NetworkManager service as it is already taken
<error> [1569943971.7936] failed to start the dbus service.
<info>  [1569943976.4532] exiting (error)