[2019-07-30 21:31:01] dbg: [net] [udp] advertising to master server
[2019-07-30 21:31:11] dbg: [net] [udp] advertising to master server
[2019-07-30 21:31:11] dbg: [net] [udp] advertising to the master server is failing
[2019-07-30 21:31:11] dbg: [net] [udp]   we are not receiving the acknowledgement from the server
[2019-07-30 21:31:11] dbg: [net] [udp]   this usually means that the master server cannot reach us
[2019-07-30 21:31:11] dbg: [net] [udp]   please allow udp and tcp packets to port 3983 to be delivered
[2019-07-30 21:31:11] dbg: [net] [udp]   please allow udp and tcp packets from port 3983 to be delivered