networkd/batman/vxlan: fix Checksum

network/files/systemd/vxlan_batadv.netdev.j2

@@ -7,11 +7,10 @@ MACAddress={{ salt['net.vxlan_mac'](domain_id, salt['pillar.get']('host:id:prima
 [VXLAN]
 DestinationPort=4789
 MacLearning=true
-UDPChecksum=false
-UDP6ZeroChecksumTx=true
-UDP6ZeroChecksumRx=true
+UDPChecksum=true
+UDP6ZeroChecksumTx=false
+UDP6ZeroChecksumRx=false
 RemoteChecksumTx=false
 RemoteChecksumRx=false
 Group=ff02::15c
-Local={{ grains.fqdn_ip6.0 }}
 VNI={{ salt['pillar.get']('domains:%s:vxlan_vid' | format(domain)) }}