Aug 09 07:51:26 server ss-server[853]:  2018-08-09 07:51:26 INFO: plugin "obfs-server" enabled
Aug 09 07:51:26 server ss-server[853]:  2018-08-09 07:51:26 INFO: UDP relay enabled
Aug 09 07:51:26 server ss-server[853]:  2018-08-09 07:51:26 INFO: initializing ciphers... chacha20-ietf-poly1305
Aug 09 07:51:26 server ss-server[853]:  2018-08-09 07:51:26 INFO: This system doesn't provide enough entropy to quickly generate high-quaAug 09 07:51:26 server ss-server[853]: Installing the rng-utils/rng-tools, jitterentropy or haveged packages may help.
Aug 09 07:51:26 server ss-server[853]: On virtualized Linux environments, also consider using virtio-rng.
Aug 09 07:51:26 server ss-server[853]: The service will not start until enough entropy has been collected.
Aug 09 07:51:26 server systemd[1]: shadowsocks-libev.service: Main process exited, code=exited, status=255/n/a
Aug 09 07:51:26 server systemd[1]: shadowsocks-libev.service: Unit entered failed state.
Aug 09 07:51:26 server systemd[1]: shadowsocks-libev.service: Failed with result 'exit-code'.