It works, thanks 
2020-04-21T15:14:32.017+0200 INFO [syslog] syslog/input.go:155 Starting Syslog input {"protocol": "tcp"}
2020-04-21T15:14:32.018+0200 INFO [syslog] syslog/input.go:155 Starting Syslog input {"protocol": "udp"}