router outage at hetzner

We are witnessing a large outage at our main service provider, Hetzner. According to the information we have gathered so far, four switches (4!) have failed and that affects four (yes, again, 4!) of the servers in the 8-node Ganeti cluster.

Affected servers:

check-01
chives
colchicifolium
cupani
fsn-node-01
fsn-node-02
fsn-node-04
fsn-node-07
gitlab-02
gnt-fsn
henryi
loghost01
majus
materculae
media-01
onionoo-backend-01
onionoo-backend-02
onionoo-frontend-02
perdulce
polyanthum
relay-01
static-master-fsn
staticiforme
submit-01
tbb-nightlies-master
weather-01