4-Node QBFT Network Cannot Reach Consensus When There is 1 Node Failure

[peter-chung-xfers]

Expected Behavior

a network with 3f+1 nodes should be able to tolerate 1 node failure

Actual Behavior

the network is frozen by 1 node failure with message Looking for peers peercount=2 tried=0 static=4

logs:

[baptiste-b-pegasys]

Hello, peercount=2 suggests that you have only 2 peers in your network out of 4 (static). The qualified majority is required, so 3 peers has to be connected.

[peter-chung-xfers]

Is the local node itself considered as a peer too?
This is the peer count from a healthy network which is 3