bitbake/fetch2: Instrument fetchers when making network access

Signed-off-by: Yu Ke <ke.yu@intel.com>

bitbake/lib/bb/fetch2/ssh.py

@@ -112,6 +112,8 @@ class SSH(Fetch):
             commands.mkarg(ldir)
         )
 
+        bb.fetch2.check_network_access(d, cmd)
+
         (exitstatus, output) = commands.getstatusoutput(cmd)
         if exitstatus != 0:
             print(output)