diff --git a/common/src/software_manager.cpp b/common/src/software_manager.cpp
index 0d0bc17..2173458 100644
--- a/common/src/software_manager.cpp
+++ b/common/src/software_manager.cpp
@@ -1,10 +1,12 @@
 #include "software_manager.hpp"
 
+#include <boost/container/flat_map.hpp>
 #include <phosphor-logging/lg2.hpp>
 #include <sdbusplus/asio/object_server.hpp>
 #include <sdbusplus/async.hpp>
 #include <sdbusplus/async/context.hpp>
 #include <sdbusplus/bus.hpp>
+#include <sdbusplus/bus/match.hpp>
 #include <xyz/openbmc_project/Association/Definitions/server.hpp>
 #include <xyz/openbmc_project/ObjectMapper/client.hpp>
 #include <xyz/openbmc_project/Software/Version/client.hpp>
@@ -16,9 +18,20 @@
 
 using namespace phosphor::software::manager;
 
+using AsyncMatch = sdbusplus::async::match;
+
+namespace RulesIntf = sdbusplus::bus::match::rules;
+static constexpr auto serviceNameEM = "xyz.openbmc_project.EntityManager";
+
+const auto matchRuleSender = RulesIntf::sender(serviceNameEM);
+const auto matchRulePath = RulesIntf::path("/xyz/openbmc_project/inventory");
+
 SoftwareManager::SoftwareManager(sdbusplus::async::context& ctx,
                                  const std::string& serviceNameSuffix) :
-    ctx(ctx), serviceNameSuffix(serviceNameSuffix),
+    ctx(ctx),
+    configIntfAddedMatch(ctx, RulesIntf::interfacesAdded() + matchRuleSender),
+    configIntfRemovedMatch(ctx, RulesIntf::interfacesRemoved() + matchRulePath),
+    serviceNameSuffix(serviceNameSuffix),
     manager(ctx, sdbusplus::client::xyz::openbmc_project::software::Version<>::
                      namespace_path)
 {
@@ -95,6 +108,9 @@
     const std::vector<std::string>& configurationInterfaces)
 // NOLINTEND(readability-static-accessed-through-instance)
 {
+    ctx.spawn(interfaceAddedMatch(configurationInterfaces));
+    ctx.spawn(interfaceRemovedMatch(configurationInterfaces));
+
     auto client = sdbusplus::client::xyz::openbmc_project::ObjectMapper<>(ctx)
                       .service("xyz.openbmc_project.ObjectMapper")
                       .path("/xyz/openbmc_project/object_mapper");
@@ -153,7 +169,97 @@
         co_return;
     }
 
+    if (devices.contains(optConfig.value().objectPath))
+    {
+        error("Device configured from {PATH} is already known", "PATH",
+              optConfig.value().objectPath);
+        co_return;
+    }
+
     co_await initDevice(service, path, optConfig.value());
 
     co_return;
 }
+
+using BasicVariantType =
+    std::variant<std::vector<std::string>, std::string, int64_t, uint64_t,
+                 double, int32_t, uint32_t, int16_t, uint16_t, uint8_t, bool>;
+using InterfacesMap = boost::container::flat_map<std::string, BasicVariantType>;
+using ConfigMap = boost::container::flat_map<std::string, InterfacesMap>;
+
+// NOLINTBEGIN(readability-static-accessed-through-instance)
+sdbusplus::async::task<void> SoftwareManager::interfaceAddedMatch(
+    std::vector<std::string> interfaces)
+// NOLINTEND(readability-static-accessed-through-instance)
+{
+    while (!ctx.stop_requested())
+    {
+        std::tuple<std::string, ConfigMap> nextResult("", {});
+        nextResult = co_await configIntfAddedMatch
+                         .next<sdbusplus::message::object_path, ConfigMap>();
+
+        auto& [objPath, interfacesMap] = nextResult;
+
+        for (auto& interface : interfaces)
+        {
+            if (interfacesMap.contains(interface))
+            {
+                debug("detected interface {INTF} added on {PATH}", "INTF",
+                      interface, "PATH", objPath);
+
+                co_await handleInterfaceAdded(serviceNameEM, objPath,
+                                              interface);
+            }
+        }
+    }
+}
+
+// NOLINTBEGIN(readability-static-accessed-through-instance)
+sdbusplus::async::task<void> SoftwareManager::interfaceRemovedMatch(
+    std::vector<std::string> interfaces)
+// NOLINTEND(readability-static-accessed-through-instance)
+{
+    while (!ctx.stop_requested())
+    {
+        auto nextResult = co_await configIntfRemovedMatch.next<
+            sdbusplus::message::object_path, std::vector<std::string>>();
+
+        auto& [objPath, interfacesRemoved] = nextResult;
+
+        debug("detected interface removed on {PATH}", "PATH", objPath);
+
+        for (auto& interface : interfaces)
+        {
+            if (std::ranges::find(interfacesRemoved, interface) !=
+                interfacesRemoved.end())
+            {
+                debug("detected interface {INTF} removed on {PATH}", "INTF",
+                      interface, "PATH", objPath);
+                co_await handleInterfaceRemoved(objPath);
+            }
+        }
+    }
+}
+
+sdbusplus::async::task<void> SoftwareManager::handleInterfaceRemoved(
+    const sdbusplus::message::object_path& objPath)
+{
+    if (!devices.contains(objPath))
+    {
+        debug("could not find a device to remove");
+        co_return;
+    }
+
+    if (devices[objPath]->updateInProgress)
+    {
+        // TODO: This code path needs to be cleaned up in the future to
+        // eventually remove the device.
+        debug(
+            "removal of device at {PATH} ignored because of in-progress update",
+            "PATH", objPath.str);
+        co_return;
+    }
+
+    debug("removing device at {PATH}", "PATH", objPath.str);
+    devices.erase(objPath);
+}