Reconnect to the dtastore after inital config load.
Reconnect to the dtastore after inital config load.

Ensures that we reconfigure the Syncer correctly if the IPIP flag is set in the datastore.

Fixes #1452

neiljerram/felix,Metaswitch/calico,neiljerram/felix,neiljerram/felix,neiljerram/felix,Metaswitch/calico