DemandForwardingBridgeSupport is not reconnecting properly

Issue

We are using 5.7.0.fuse-71-047 with network connectors between master/slave pairs in non-duplex mode. Pair 1 opens a bridge to Pair 2, and vice versa. In a case that one of pairs is not available, the network connector seems to give up and shutdown after about a minute and a half.

Pair one: configuration activemq.xml:
 <networkConnectors>
 <networkConnector uri="masterslave:(tcp://amq2:61616,tcp://amq4:61616)" />
</networkConnectors>

Pair two: configuration activemq.xml:
 <networkConnectors>
 <networkConnector uri="masterslave:(tcp://amq1:61616,tcp://amq3:61616)" />
</networkConnectors>

The logs show that the masterslave uri resolves to:

failover:(tcp://amq1:61616,tcp://amq3:61616)?randomize=false&maxReconnectAttempts=0

Why does it say 0?