logging: switch hyp-network-manager to lg2

Tested: Build passes with "ninja -C build".

Change-Id: If66b365354268d8577c48852876821f252ca88c8
Signed-off-by: Jagpal Singh Gill <paligill@gmail.com>
diff --git a/src/ibm/hypervisor-network-mgr-src/hyp_sys_config.cpp b/src/ibm/hypervisor-network-mgr-src/hyp_sys_config.cpp
index 29c2660..853ee11 100644
--- a/src/ibm/hypervisor-network-mgr-src/hyp_sys_config.cpp
+++ b/src/ibm/hypervisor-network-mgr-src/hyp_sys_config.cpp
@@ -3,7 +3,7 @@
 #include "hyp_network_manager.hpp"
 
 #include <phosphor-logging/elog-errors.hpp>
-#include <phosphor-logging/log.hpp>
+#include <phosphor-logging/lg2.hpp>
 #include <xyz/openbmc_project/Common/error.hpp>
 
 namespace phosphor
@@ -15,7 +15,6 @@
 constexpr auto BIOS_OBJPATH = "/xyz/openbmc_project/bios_config/manager";
 constexpr auto BIOS_MGR_INTF = "xyz.openbmc_project.BIOSConfig.Manager";
 
-using namespace phosphor::logging;
 using namespace sdbusplus::xyz::openbmc_project::Common::Error;
 using InvalidArgumentMetadata = xyz::openbmc_project::Common::InvalidArgument;
 
@@ -64,8 +63,8 @@
     }
     catch (const sdbusplus::exception::SdBusError& ex)
     {
-        log<level::ERR>("Failed to get the hostname from bios table",
-                        entry("ERR=%s", ex.what()));
+        lg2::error("Failed to get the hostname from bios table: {ERROR}",
+                   "ERROR", ex);
     }
     return std::string();
 }