diff --git a/pw_bluetooth_proxy/acl_data_channel.cc b/pw_bluetooth_proxy/acl_data_channel.cc
index bb578f05b7..882b4327af 100644
--- a/pw_bluetooth_proxy/acl_data_channel.cc
+++ b/pw_bluetooth_proxy/acl_data_channel.cc
@@ -183,6 +183,7 @@ uint16_t AclDataChannel::GetNumFreeLeAclPackets() const {
 bool AclDataChannel::SendAcl(H4PacketWithH4&& h4_packet) {
   credit_allocation_mutex_.lock();
   if (proxy_pending_le_acl_packets_ == proxy_max_le_acl_packets_) {
+    PW_LOG_WARN("No ACL send credits available. So will not send.");
     credit_allocation_mutex_.unlock();
     return false;
   }
diff --git a/pw_bluetooth_proxy/proxy_host.cc b/pw_bluetooth_proxy/proxy_host.cc
index 24b0eb2692..dd5f5995de 100644
--- a/pw_bluetooth_proxy/proxy_host.cc
+++ b/pw_bluetooth_proxy/proxy_host.cc
@@ -175,6 +175,7 @@ pw::Status ProxyHost::SendGattNotify(uint16_t connection_handle,
     acl_send_mutex_.lock();
     std::optional<span<uint8_t>> h4_buff = ReserveH4Buff();
     if (!h4_buff) {
+      PW_LOG_WARN("No H4 buffers available. So will not send.");
       acl_send_mutex_.unlock();
       return pw::Status::Unavailable();
     }
@@ -222,6 +223,7 @@ pw::Status ProxyHost::SendGattNotify(uint16_t connection_handle,
   // destructed, so its release function will clear the corresponding flag in
   // `h4_buff_occupied_`.
   if (!acl_data_channel_.SendAcl(std::move(h4_att_notify))) {
+    // SendAcl function will have logged reason for failure to send..
     return pw::Status::Unavailable();
   }
   return OkStatus();