Get qdisk error "More than one master found" after network failure.

Issue

Get qdisk error "More than one master found" after network failure. The following lines is the log from the system:

Nov  5 16:56:07 phalcfm1 qdiskd[5090]: <notice> Score insufficient for master operation (0/1; max=1); downgrading 
Nov  5 16:56:12 phalcfm1 qdiskd[5090]: <info> Node 1 shutdown 
Nov  5 16:56:12 phalcfm1 qdiskd[5090]: <notice> Score sufficient for master operation (1/1; max=1); upgrading 
Nov  5 16:56:14 phalcfm1 clurgmgrd: [7785]: <info> Executing /etc/cluster/rhcs/phalcfm1.sh status 
Nov  5 16:56:17 phalcfm1 qdiskd[5090]: <info> Assuming master role 
Nov  5 16:56:27 phalcfm1 qdiskd[5090]: <crit> Critical Error: More than one master found! 
Nov  5 16:56:27 phalcfm1 qdiskd[5090]: <crit> A master exists, but it's not me?! 
Nov  5 16:56:32 phalcfm1 qdiskd[5090]: <info> Node 1 is the master 
Nov  5 16:56:32 phalcfm1 qdiskd[5090]: <crit> Critical Error: More than one master found! 
Nov  5 16:56:32 phalcfm1 qdiskd[5090]: <crit> A master exists, but it's not me?!