do not raise a ProtocolError when reporting an event fails in metadata protocol
do not raise a ProtocolError when reporting an event fails in metadata protocol

andyliuliming/WALinuxAgent,rjschwei/WALinuxAgent,Azure/WALinuxAgent,hglkrijger/WALinuxAgent,andyliuliming/WALinuxAgent,hglkrijger/WALinuxAgent,rjschwei/WALinuxAgent,Azure/WALinuxAgent