don't manage netdb is transports are not running

libi2pd/NetDb.cpp

@@ -146,7 +146,8 @@ namespace data
 					}
 				}
 				if (!m_IsRunning) break;
-				if (!i2p::transport::transports.IsOnline ()) continue; // don't manage netdb when offline
+				if (!i2p::transport::transports.IsOnline () || !i2p::transport::transports.IsRunning ()) 
+					continue; // don't manage netdb when offline or transports are not running
 
 				uint64_t mts = i2p::util::GetMonotonicMilliseconds ();
 				if (mts >= lastManageRequest + MANAGE_REQUESTS_INTERVAL*1000)

libi2pd/Transports.h

@@ -134,6 +134,7 @@ namespace transport
 
 			void Start (bool enableNTCP2=true, bool enableSSU2=true);
 			void Stop ();
+			bool IsRunning () const { return m_IsRunning; }
 
 			bool IsBoundSSU2() const { return m_SSU2Server != nullptr; }
 			bool IsBoundNTCP2() const { return m_NTCP2Server != nullptr; }