denbeiren@skinner:~$ sudo transmission-daemon -f
[2018-11-06 14:53:45.787] Transmission 2.92 (14714) started (session.c:740)
[2018-11-06 14:53:45.787] RPC Server Adding address to whitelist: 127.0.0.1 (rpc-server.c:960)
[2018-11-06 14:53:45.787] RPC Server Serving RPC and Web requests on port 127.0.0.1:9091/transmission/ (rpc-server.c:1209)
[2018-11-06 14:53:45.787] RPC Server Whitelist enabled (rpc-server.c:1213)
[2018-11-06 14:53:45.787] UDP Failed to set receive buffer: requested 4194304, got 425984 (tr-udp.c:84)
[2018-11-06 14:53:45.787] UDP Please add the line "net.core.rmem_max = 4194304" to /etc/sysctl.conf (tr-udp.c:89)
[2018-11-06 14:53:45.787] UDP Failed to set send buffer: requested 1048576, got 425984 (tr-udp.c:95)
[2018-11-06 14:53:45.787] UDP Please add the line "net.core.wmem_max = 1048576" to /etc/sysctl.conf (tr-udp.c:100)
[2018-11-06 14:53:45.788] DHT Generating new id (tr-dht.c:311)
[2018-11-06 14:53:45.788] Using settings from "/home/denbeiren/.config/transmission-daemon" (daemon.c:528)
[2018-11-06 14:53:45.788] Saved "/home/denbeiren/.config/transmission-daemon/settings.json" (variant.c:1266)
[2018-11-06 14:53:45.788] Port Forwarding (NAT-PMP) initnatpmp succeeded (0) (natpmp.c:70)
[2018-11-06 14:53:45.788] Port Forwarding (NAT-PMP) sendpublicaddressrequest succeeded (2) (natpmp.c:70)
[2018-11-06 14:53:52.787] Port Forwarding State changed from "Not forwarded" to "Starting" (port-forwarding.c:92)
[2018-11-06 14:54:26.787] DHT Attempting bootstrap from dht.transmissionbt.com (tr-dht.c:249)
[2018-11-06 14:55:53.785] Port Forwarding State changed from "Starting" to "???" (port-forwarding.c:92)
[2018-11-06 14:54:26.787] DHT Attempting bootstrap from dht.transmissionbt.com (tr-dht.c:249)
[