I have a problem trying to add an ISCSI gateway. The following error is generated when trying to add the new gateway:

iscsi-target...-igw/gateways> create ceph-iscsi3 192.168.201.3
Adding gateway, sync'ing 3 disk(s) and 2 client(s)
Failed : /etc/ceph/iscsi-gateway.cfg on ceph-iscsi3 does not match the local version. Correct and retry request

But the file iscsi-gateway.cfg is exactly the same in all gateways. 
Selinux is disabled, permissios are OK too.

I using ceph 13.2.6. Can anyone help-me?

Regards

Gesiel