Snowflake broken if no libatomic on host (e.g. Lubuntu 17 64 bits)
Logs/
Jan 30 10:45:02.000 [notice] Opening Socks listener on 127.0.0.1:9150
Jan 30 10:45:03.000 [warn] The communication stream of managed proxy './TorBrowser/Tor/PluggableTransports/snowflake-client' is 'closed'. Most probably the managed proxy stopped running. This might be a bug of the managed proxy, a bug of Tor, or a misconfiguration. Please enable logging on your managed proxy and check the logs for errors.
Jan 30 10:45:04.000 [notice] Bootstrapped 5%: Connecting to directory server
Jan 30 10:45:04.000 [warn] We were supposed to connect to bridge '0.0.3.0:1' using pluggable transport 'snowflake', but we can't find a pluggable transport proxy supporting 'snowflake'. This can happen if you haven't provided a ClientTransportPlugin line, or if your pluggable transport proxy stopped running.
Jan 30 10:45:04.000 [warn] Problem bootstrapping. Stuck at 5%: Connecting to directory server. (Can't connect to bridge; PT_MISSING; count 1; recommendation warn; host 2B280B23E1107BB62ABFC40DDCC8824814F80A72 at 0.0.3.0:1)
Jan 30 10:45:04.000 [notice] Closing no-longer-configured Socks listener on 127.0.0.1:9150
Jan 30 10:45:04.000 [notice] DisableNetwork is set. Tor will not make or accept non-control network connections. Shutting down all existing connections.
Jan 30 10:45:04.000 [notice] Closing old Socks listener on 127.0.0.1:9150
Jan 30 10:45:36.000 [notice] DisableNetwork is set. Tor will not make or accept non-control network connections. Shutting down all existing connections.