Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//lib/systemd/system/network-manager.service

 [Unit]
Description=Network Manager
Documentation=man:NetworkManager(8)
Wants=network.target
After=network-pre.target dbus.service
Before=network.target 

[Service]
Type=dbus
BusName=org.freedesktop.NetworkManager
ExecReload=/usr/bin/dbus-send --print-reply --system --type=method_call --dest=org.freedesktop.NetworkManager /org/freedesktop/NetworkManager org.freedesktop.NetworkManager.Reload uint32:0
#ExecReload=/bin/kill -HUP $MAINPID
ExecStart=/usr/sbin/NetworkManager --no-daemon
Restart=on-failure
# NM doesn't want systemd to kill its children for it
KillMode=process
CapabilityBoundingSet=CAP_NET_ADMIN CAP_DAC_OVERRIDE CAP_NET_RAW CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID CAP_SYS_MODULE CAP_AUDIT_WRITE CAP_KILL CAP_SYS_CHROOT

# ibft settings plugin calls iscsiadm which needs CAP_SYS_ADMIN
#CapabilityBoundingSet=CAP_SYS_ADMIN

ProtectSystem=true
ProtectHome=read-only

[Install]
WantedBy=multi-user.target
Also=NetworkManager-dispatcher.service