docker版7.1.3在部署Error happened during creating seafile admin，使用宿主机目录映射持久化目录正常，但在VM共享目录中映射持久化目录时，ccnet无法启动，并一直反复尝试启动，log提示无法找到ccnet.rpc.sock,可以登陆，但页面提示故障。
[05/22/20 16:52:24] …/common/session.c(156): using config file /opt/seafile/conf/ccnet.conf
[05/22/20 16:52:24] …/common/license.c(402): Loading license file /opt/seafile/seafile-license.txt …
[05/22/20 16:52:24] …/common/license.c(405): License file /opt/seafile/seafile-license.txt does not exist, allow at most 3 trial users
[05/22/20 16:52:24] …/common/session.c(285): Update pubinfo file
[05/22/20 16:52:24] …/common/connect-mgr.c(522): Opened port 10001 to listen for incoming peer connections
[05/22/20 16:52:24] failed to bind unix socket fd to /opt/seafile/ccnet/ccnet-rpc.sock : Operation not permitted
[05/22/20 16:52:24] ccnet-server.c(372): Failed to start ccnet rpc server.
[05/22/20 16:52:34] …/common/session.c(156): using config file /opt/seafile/conf/ccnet.conf
[05/22/20 16:52:34] …/common/license.c(402): Loading license file /opt/seafile/seafile-license.txt …
[05/22/20 16:52:34] …/common/license.c(405): License file /opt/seafile/seafile-license.txt does not exist, allow at most 3 trial users
[05/22/20 16:52:34] …/common/session.c(285): Update pubinfo file
[05/22/20 16:52:34] …/common/connect-mgr.c(522): Opened port 10001 to listen for incoming peer connections
[05/22/20 16:52:34] failed to bind unix socket fd to /opt/seafile/ccnet/ccnet-rpc.sock : Operation not permitted
[05/22/20 16:52:34] ccnet-server.c(372): Failed to start ccnet rpc server.
[05/22/20 16:52:44] …/common/session.c(156): using config file /opt/seafile/conf/ccnet.conf
[05/22/20 16:52:44] …/common/license.c(402): Loading license file /opt/seafile/seafile-license.txt …
[05/22/20 16:52:44] …/common/license.c(405): License file /opt/seafile/seafile-license.txt does not exist, allow at most 3 trial users
[05/22/20 16:52:44] …/common/session.c(285): Update pubinfo file
[05/22/20 16:52:44] …/common/connect-mgr.c(522): Opened port 10001 to listen for incoming peer connections
[05/22/20 16:52:44] failed to bind unix socket fd to /opt/seafile/ccnet/ccnet-rpc.sock : Operation not permitted
[05/22/20 16:52:44] ccnet-server.c(372): Failed to start ccnet rpc server.
[05/22/20 16:52:54] …/common/session.c(156): using config file /opt/seafile/conf/ccnet.conf
[05/22/20 16:52:54] …/common/license.c(402): Loading license file /opt/seafile/seafile-license.txt …
[05/22/20 16:52:54] …/common/license.c(405): License file /opt/seafile/seafile-license.txt does not exist, allow at most 3 trial users
[05/22/20 16:52:54] …/common/session.c(285): Update pubinfo file
[05/22/20 16:52:54] …/common/connect-mgr.c(522): Opened port 10001 to listen for incoming peer connections
[05/22/20 16:52:54] failed to bind unix socket fd to /opt/seafile/ccnet/ccnet-rpc.sock : Operation not permitted
[05/22/20 16:52:54] ccnet-server.c(372): Failed to start ccnet rpc server.