treewide: Make logging variables more consistent

This aims to better group related variables and differentiate keywords
like INTERFACE_NAME into NET vs DBUS.

Tested: Ran on a machine to verify that our info log messages still look
sane in the journal.

Change-Id: Ic4d1faaaf5c432e69cacd387fa972481916b6bc8
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/src/system_queries.cpp b/src/system_queries.cpp
index 56feb8d..0ce674f 100644
--- a/src/system_queries.cpp
+++ b/src/system_queries.cpp
@@ -67,8 +67,8 @@
             if (unsupported.find(ukey) == unsupported.end())
             {
                 unsupported.emplace(std::move(ukey));
-                lg2::info("{CMD_NAME} not supported on {INTERFACE_NAME}",
-                          "CMD_NAME", cmdname, "INTERFACE_NAME", ifname);
+                lg2::info("{NET_IFREQ} not supported on {NET_INTF}",
+                          "NET_IFREQ", cmdname, "NET_INTF", ifname);
             }
             return ret;
         }