GVM 11 deployment

I have deployed the GVM 11 … but while syncing getting the error. Kinldy help on it.

from the server full internet is allowed.

gvm@moe-vascan-s01:~$ greenbone-nvt-sync --sync-only
rsync: failed to connect to feed.community.greenbone.net (45.135.106.142): Connection timed out (110)
rsync: failed to connect to feed.community.greenbone.net (2a0e:6b40:20:106:20c:29ff:fe67:cbb5): Network is unreachable (101)
rsync error: error in socket IO (code 10) at clientserver.c(127) [Receiver=3.1.3]