Now it hit me: 'Your node has been suspended'

So let’s check:
Node1 has recovered more but on 2 satellites it went down again:

docker logs storagenode1 2>&1 | grep -E 'GET_AUDIT' | grep 'failed' | wc -l
0
docker logs storagenode1 2>&1 | grep -E 'GET_REPAIR' | grep 'failed' | wc -l
7

Errors were:
6x write: broken pipe and 1x use of closed network connection

Node2 seems to be slowly recovering on all but one satellite:

docker logs storagenode2 2>&1 | grep -E 'GET_AUDIT' | grep 'failed' | wc -l
0
docker logs storagenode2 2>&1 | grep -E 'GET_REPAIR' | grep 'failed' | wc -l
0

Node3 which seems to be recovering on some and doing worse on other satellites:

docker logs storagenode3 2>&1 | grep -E 'GET_AUDIT' | grep 'failed' | wc -l
0
docker logs storagenode3 2>&1 | grep -E 'GET_REPAIR' | grep 'failed' | wc -l
2

Errors are: 1x use of closed network connection and 1x broken pipe

Maybe this? Load tests on Storage nodes?