log: use error level for critical log messages

As per doc/developer-notes#logging, LogError should be used for
severe problems that require the node to shut down.

Co-Authored-By: stickies-v <stickies-v@protonmail.com>

2 files changed, 2 insertions, 2 deletions

diff --git a/src/node/interfaces.cpp b/src/node/interfaces.cpp
index 216f44ab9e..f00e557ce7 100644
--- a/src/node/interfaces.cpp
+++ b/src/node/interfaces.cpp
@@ -123,7 +123,7 @@ public:
     void startShutdown() override
     {
         if (!(*Assert(Assert(m_context)->shutdown))()) {
-            LogPrintf("Error: failed to send shutdown signal\n");
+            LogError("Failed to send shutdown signal\n");
         }
         // Stop RPC for clean shutdown if any of waitfor* commands is executed.
         if (args().GetBoolArg("-server", false)) {
diff --git a/src/node/kernel_notifications.cpp b/src/node/kernel_notifications.cpp
index e326d4a1f2..a3cfb31c9a 100644
--- a/src/node/kernel_notifications.cpp
+++ b/src/node/kernel_notifications.cpp
@@ -61,7 +61,7 @@ kernel::InterruptResult KernelNotifications::blockTip(SynchronizationState state
     uiInterface.NotifyBlockTip(state, &index);
     if (m_stop_at_height && index.nHeight >= m_stop_at_height) {
         if (!m_shutdown()) {
-            LogPrintf("Error: failed to send shutdown signal after reaching stop height\n");
+            LogError("Failed to send shutdown signal after reaching stop height\n");
         }
         return kernel::Interrupted{};
     }