General connection problems to feed server

I’m having severe problems since the changes done lately as well, while the nightly cronjob worked well and without any issues in the past, now it doesn’t and I have to manually try multiple times to eventually get a successfull sync done for every single feed which is a huge annoyance. We don’t have any occurances in our firewall logs and like stated it worked just fine in the past, no changes done on our side.

host ~ # su -c greenbone-nvt-sync -s /bin/bash gvm
rsync: [Receiver] failed to connect to feed.community.greenbone.net (45.135.106.142): Connection timed out (110)
rsync: [Receiver] 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(137) [Receiver=3.2.3]
host ~ # su -c greenbone-nvt-sync -s /bin/bash gvm
rsync: [Receiver] failed to connect to feed.community.greenbone.net (45.135.106.142): Connection timed out (110)
rsync: [Receiver] 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(137) [Receiver=3.2.3]
host ~ # time su -c greenbone-nvt-sync -s /bin/bash gvm
rsync: [Receiver] failed to connect to feed.community.greenbone.net (45.135.106.142): Connection timed out (110)
rsync: [Receiver] 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(137) [Receiver=3.2.3]

real    2m17,192s
user    0m0,032s
sys     0m0,029s
host ~ # time su -c greenbone-nvt-sync -s /bin/bash gvm
rsync: [Receiver] failed to connect to feed.community.greenbone.net (45.135.106.142): Connection timed out (110)
rsync: [Receiver] 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(137) [Receiver=3.2.3]

real    2m14,817s
user    0m0,032s
sys     0m0,028s
host ~ # time su -c greenbone-nvt-sync -s /bin/bash gvm
rsync: [Receiver] failed to connect to feed.community.greenbone.net (45.135.106.142): Connection timed out (110)
rsync: [Receiver] 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(137) [Receiver=3.2.3]

real    2m14,870s
user    0m0,037s
sys     0m0,023s
host ~ # time su -c greenbone-nvt-sync -s /bin/bash gvm
rsync: [Receiver] failed to connect to feed.community.greenbone.net (45.135.106.142): Connection timed out (110)
rsync: [Receiver] 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(137) [Receiver=3.2.3]

real    2m14,215s
user    0m0,039s
sys     0m0,020s
host ~ # time su -c greenbone-nvt-sync -s /bin/bash gvm
rsync: [Receiver] failed to connect to feed.community.greenbone.net (45.135.106.142): Connection timed out (110)
rsync: [Receiver] 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(137) [Receiver=3.2.3]

real    2m15,974s
user    0m0,037s
sys     0m0,022s