man: document explicitly that network-online.target doesn't track connectivity state dynamically (#7345)

Fixes: #5909
2017-11-16 11:26:27 +09:00
parent e5bb1de8dd
commit d38802e881
1 changed files with 4 additions and 0 deletions
@@ -443,6 +443,10 @@
          it. Note that networking daemons that simply provide
          functionality to other hosts generally do not need to pull
          this in.</para>
+
+          <para>Note that this unit is only useful during the original system start-up logic. After the system has
+          completed booting up, it will not track the online state of the system anymore. Due to this it cannot be used
+          as a network connection monitor concept, it is purely a one-time system start-up concept.</para>
          </listitem>
      </varlistentry>
      <varlistentry>