SSL VPN working L2TP via IPSec Vpn not

no chances made - latest update 9.502-4 installed - everything working fine.

SSL VPN working fine: L2TP over IPSEC not working anymore. Tried restart -> same behaviour.

See LOG:
2017:08:21-11:07:05 fwwall pluto[6473]: packet from 193.170.238.46:500: ignoring Vendor ID payload [01528bbbc00696121849ab9a1c5b2a5100000001]
2017:08:21-11:07:05 fwwall pluto[6473]: packet from 193.170.238.46:500: received Vendor ID payload [MS NT5 ISAKMPOAKLEY 00000009]
2017:08:21-11:07:05 fwwall pluto[6473]: packet from 193.170.238.46:500: received Vendor ID payload [RFC 3947]
2017:08:21-11:07:05 fwwall pluto[6473]: packet from 193.170.238.46:500: ignoring Vendor ID payload [draft-ietf-ipsec-nat-t-ike-02_n]
2017:08:21-11:07:05 fwwall pluto[6473]: packet from 193.170.238.46:500: ignoring Vendor ID payload [FRAGMENTATION]
2017:08:21-11:07:05 fwwall pluto[6473]: packet from 193.170.238.46:500: ignoring Vendor ID payload [MS-Negotiation Discovery Capable]
2017:08:21-11:07:05 fwwall pluto[6473]: packet from 193.170.238.46:500: ignoring Vendor ID payload [Vid-Initial-Contact]
2017:08:21-11:07:05 fwwall pluto[6473]: packet from 193.170.238.46:500: ignoring Vendor ID payload [IKE CGA version 1]
2017:08:21-11:07:05 fwwall pluto[6473]: "L_for vpnremote1"[5] 193.170.238.46 #5: responding to Main Mode from unknown peer 193.170.238.46
2017:08:21-11:07:05 fwwall pluto[6473]: "L_for vpnremote1"[5] 193.170.238.46 #5: ECP_384 is not supported. Attribute OAKLEY_GROUP_DESCRIPTION
2017:08:21-11:07:05 fwwall pluto[6473]: "L_for vpnremote1"[5] 193.170.238.46 #5: ECP_256 is not supported. Attribute OAKLEY_GROUP_DESCRIPTION
2017:08:21-11:07:05 fwwall pluto[6473]: "L_for vpnremote1"[5] 193.170.238.46 #5: NAT-Traversal: Result using RFC 3947: peer is NATed
2017:08:21-11:07:05 fwwall pluto[6473]: | NAT-T: new mapping 193.170.238.46:500/4500)
2017:08:21-11:07:05 fwwall pluto[6473]: "L_for vpnremote1"[5] 193.170.238.46:4500 #5: Peer ID is ID_IPV4_ADDR: '10.139.100.18'
2017:08:21-11:07:05 fwwall pluto[6473]: "L_for vpnremote1"[6]193.170.238.46:4500 #5: deleting connection "L_for vpnremote1"[5] instance with peer 193.170.238.46 {isakmp=#0/ipsec=#0}
2017:08:21-11:07:05 fwwall pluto[6473]: "L_for vpnremote1"[6]193.170.238.46:4500 #5: sent MR3, ISAKMP SA established
2017:08:21-11:07:05 fwwall pluto[6473]: "L_for vpnremote1"[3] 193.170.238.46:4500 #6: NAT-Traversal: received 2 NAT-OA. using first, ignoring others
2017:08:21-11:07:05 fwwall pluto[6473]: "L_for vpnremote1"[3] 193.170.238.46:4500 #6: responding to Quick Mode
2017:08:21-11:07:06 fwwall pppd-l2tp[9292]: Plugin aua.so loaded.
2017:08:21-11:07:06 fwwall pppd-l2tp[9292]: AUA plugin initialized.
2017:08:21-11:07:07 fwwall pppd-l2tp[9292]: Plugin dhcpc.so loaded.
2017:08:21-11:07:07 fwwall pppd-l2tp[9292]: DHCPC: plugin initialized
2017:08:21-11:07:07 fwwall pppd-l2tp[9292]: Plugin pppol2tp.so loaded.
2017:08:21-11:07:07 fwwall pppd-l2tp[9292]: pppd 2.4.7 started by (unknown), uid 0
2017:08:21-11:07:07 fwwall pppd-l2tp[9292]: Using interface ppp0
2017:08:21-11:07:07 fwwall pppd-l2tp[9292]: Connect: ppp0 <-->
2017:08:21-11:07:07 fwwall pppd-l2tp[9292]: Overriding mtu 1500 to 1380
2017:08:21-11:07:07 fwwall pppd-l2tp[9292]: Overriding mru 1500 to mtu value 1380
2017:08:21-11:07:07 fwwall pluto[6473]: "L_for vpnremote1"[3] 193.170.238.46:4500 #6: IPsec SA established {ESP=>0x7f543522 <0x8174a76c NATOA=10.139.100.18}
2017:08:21-11:07:07 fwwall pppd-l2tp[9292]: Overriding mtu 1400 to 1380
2017:08:21-11:07:09 fwwall pppd-l2tp[9292]: DHCPC: Using relay address of '192.168.1.5'
2017:08:21-11:07:09 fwwall pppd-l2tp[9292]: DHCPC: Unicasting to server '192.168.1.3' only
2017:08:21-11:07:09 fwwall pppd-l2tp[9292]: DHCPC: Sending discover...
2017:08:21-11:07:09 fwwall pppd-l2tp[9292]: DHCPC: Sending select for 192.168.1.126...
2017:08:21-11:07:09 fwwall pppd-l2tp[9292]: DHCPC: Lease of 192.168.1.126 obtained, lease time 691200
2017:08:21-11:07:09 fwwall pppd-l2tp[9292]: LCP terminated by peer (c^HT6^@<\xCDt^@^@^B\xD0)
2017:08:21-11:07:09 fwwall pppd-l2tp[9292]: Overriding mtu 1500 to 1380
2017:08:21-11:07:09 fwwall pppd-l2tp[9292]: Overriding mru 1500 to mtu value 1380
2017:08:21-11:07:09 fwwall pppd-l2tp[9292]: Terminating on signal 15
2017:08:21-11:07:09 fwwall pluto[6473]: "L_for vpnremote1"[6]193.170.238.46:4500 #5: received Delete SA(0x7f543522) payload: deleting IPSEC State #6
2017:08:21-11:07:09 fwwall pluto[6473]: "L_for vpnremote1"[6]193.170.238.46:4500 #5: deleting connection "L_for vpnremote1"[3] instance with peer 193.170.238.46 {isakmp=#0/ipsec=#0}
2017:08:21-11:07:09 fwwall pluto[6473]: "L_for vpnremote1"[6]193.170.238.46:4500 #5: received Delete SA payload: deleting ISAKMP State #5
2017:08:21-11:07:09 fwwall pluto[6473]: "L_for vpnremote1"[6] 193.170.238.46:4500: deleting connection "L_for vpnremote1"[6]instance with peer 193.170.238.46 {isakmp=#0/ipsec=#0}
2017:08:21-11:07:12 fwwall pppd-l2tp[9292]: Connection terminated.
2017:08:21-11:07:12 fwwall pppd-l2tp[9292]: Connect time 0.1 minutes.
2017:08:21-11:07:12 fwwall pppd-l2tp[9292]: Sent 10 bytes, received 0 bytes.
2017:08:21-11:07:12 fwwall pppd-l2tp[9292]: Modem hangup
2017:08:21-11:07:12 fwwall pppd-l2tp[9292]: DHCPC: Sending release...
2017:08:21-11:07:12 fwwall pppd-l2tp[9292]: Exit.