Comment 1 for bug 1746013

Paste aditional information as suggest in https://github.com/nm-l2tp/network-manager-l2tp/issues/70 https://github.com/nm-l2tp/network-manager-l2tp/issues/64

Phase 1 Algorithms: aes128-sha1-modp2048,3des-sha1-modp1536,3des-sha1-modp1024
Phase 2 Algorithms: aes128-sha1,3des-sha1

jorge@ulises:~/Desktop$ sudo killall -TERM nm-l2tp-service
jorge@ulises:~/Desktop$ sudo /usr/lib/NetworkManager/nm-l2tp-service --debug
nm-l2tp[26181] <debug> nm-l2tp-service (version 1.2.8) starting...
nm-l2tp[26181] <debug> uses default --bus-name "org.freedesktop.NetworkManager.l2tp"

nm-l2tp[26181] <info> ipsec enable flag: yes
** Message: Check port 1701
** Message: Can't bind to port 1701
nm-l2tp[26181] <warn> L2TP port 1701 is busy, using ephemeral.
connection
 id : "MY VPN CONN" (s)
 uuid : "d812fb2d-2212-44d6-a8b7-aff603b6ed10" (s)
 interface-name : NULL (sd)
 type : "vpn" (s)
 permissions : ["user:jorge:"] (s)
 autoconnect : FALSE (s)
 autoconnect-priority : 0 (sd)
 autoconnect-retries : -1 (sd)
 timestamp : 1513964824 (s)
 read-only : FALSE (sd)
 zone : NULL (sd)
 master : NULL (sd)
 slave-type : NULL (sd)
 autoconnect-slaves : ((NMSettingConnectionAutoconnectSlaves) NM_SETTING_CONNECTION_AUTOCONNECT_SLAVES_DEFAULT) (sd)
 secondaries : NULL (sd)
 gateway-ping-timeout : 0 (sd)
 metered : ((NMMetered) NM_METERED_UNKNOWN) (sd)
 lldp : -1 (sd)
 stable-id : NULL (sd)

ipv6
 method : "auto" (s)
 dns : [] (s)
 dns-search : [] (s)
 dns-options : NULL (sd)
 dns-priority : 0 (sd)
 addresses : ((GPtrArray*) 0x55af6d3d3f60) (s)
 gateway : NULL (sd)
 routes : ((GPtrArray*) 0x55af6d3bed20) (s)
 route-metric : -1 (sd)
 ignore-auto-routes : FALSE (sd)
 ignore-auto-dns : FALSE (sd)
 dhcp-hostname : NULL (sd)
 dhcp-send-hostname : TRUE (sd)
 never-default : FALSE (sd)
 may-fail : TRUE (sd)
 dad-timeout : -1 (sd)
 dhcp-timeout : 0 (sd)
 ip6-privacy : ((NMSettingIP6ConfigPrivacy) NM_SETTING_IP6_CONFIG_PRIVACY_UNKNOWN) (sd)
 addr-gen-mode : 1 (sd)
 token : NULL (sd)

proxy
 method : 0 (sd)
 browser-only : FALSE (sd)
 pac-url : NULL (sd)
 pac-script : NULL (sd)

vpn
 service-type : "org.freedesktop.NetworkManager.l2tp" (s)
 user-name : "jorge" (s)
 persistent : FALSE (sd)
 data : ((GHashTable*) 0x7f6100006cc0) (s)
 secrets : ((GHashTable*) 0x55af6d3b4760) (s)
 timeout : 0 (sd)

ipv4
 method : "auto" (s)
 dns : [] (s)
 dns-search : [] (s)
 dns-options : NULL (sd)
 dns-priority : 0 (sd)
 addresses : ((GPtrArray*) 0x7f61000014a0) (s)
 gateway : NULL (sd)
 routes : ((GPtrArray*) 0x7f61000014a0) (s)
 route-metric : -1 (sd)
 ignore-auto-routes : TRUE (s)
 ignore-auto-dns : FALSE (sd)
 dhcp-hostname : NULL (sd)
 dhcp-send-hostname : TRUE (sd)
 never-default : TRUE (s)
 may-fail : TRUE (sd)
 dad-timeout : -1 (sd)
 dhcp-timeout : 0 (sd)
 dhcp-client-id : NULL (sd)
 dhcp-fqdn : NULL (sd)

nm-l2tp[26181] <info> starting ipsec
Stopping strongSwan IPsec failed: starter is not running
Starting strongSwan 5.5.1 IPsec [starter]...
Loading config setup
Loading conn 'd812fb2d-2212-44d6-a8b7-aff603b6ed10'
found netkey IPsec stack
nm-l2tp[26181] <info> Spawned ipsec up script with PID 26248.
initiating Main Mode IKE_SA d812fb2d-2212-44d6-a8b7-aff603b6ed10[1] to 200.69.103.48
generating ID_PROT request 0 [ SA V V V V V ]
sending packet: from 192.168.0.16[500] to 200.69.103.48[500] (304 bytes)
received packet: from 200.69.103.48[500] to 192.168.0.16[500] (208 bytes)
parsed ID_PROT response 0 [ SA V V V V V V ]
received MS NT5 ISAKMPOAKLEY vendor ID
received NAT-T (RFC 3947) vendor ID
received draft-ietf-ipsec-nat-t-ike-02\n vendor ID
received FRAGMENTATION vendor ID
received unknown vendor ID: fb:1d:e3:cd:f3:41:b7:ea:16:b7:e5:be:08:55:f1:20
received unknown vendor ID: e3:a5:96:6a:76:37:9f:e7:07:22:82:31:e5:ce:86:52
generating ID_PROT request 0 [ KE No NAT-D NAT-D ]
sending packet: from 192.168.0.16[500] to 200.69.103.48[500] (244 bytes)
received packet: from 200.69.103.48[500] to 192.168.0.16[500] (260 bytes)
parsed ID_PROT response 0 [ KE No NAT-D NAT-D ]
local host is behind NAT, sending keep alives
generating ID_PROT request 0 [ ID HASH ]
sending packet: from 192.168.0.16[4500] to 200.69.103.48[4500] (68 bytes)
received packet: from 200.69.103.48[4500] to 192.168.0.16[4500] (68 bytes)
parsed ID_PROT response 0 [ ID HASH ]
IKE_SA d812fb2d-2212-44d6-a8b7-aff603b6ed10[1] established between 192.168.0.16[192.168.0.16]...200.69.103.48[200.69.103.48]
scheduling reauthentication in 10197s
maximum IKE_SA lifetime 10737s
generating QUICK_MODE request 909758342 [ HASH SA No ID ID NAT-OA NAT-OA ]
sending packet: from 192.168.0.16[4500] to 200.69.103.48[4500] (244 bytes)
received packet: from 200.69.103.48[4500] to 192.168.0.16[4500] (212 bytes)
parsed QUICK_MODE response 909758342 [ HASH SA No ID ID NAT-OA NAT-OA ]
CHILD_SA d812fb2d-2212-44d6-a8b7-aff603b6ed10{1} established with SPIs ca89bf90_i 4c616fe2_o and TS 192.168.0.16/32 === 200.69.103.48/32[udp/l2f]
connection 'd812fb2d-2212-44d6-a8b7-aff603b6ed10' established successfully
nm-l2tp[26181] <info> strongSwan IPsec tunnel is up.
** Message: xl2tpd started with pid 26257
xl2tpd[26257]: setsockopt recvref[30]: Protocol not available
xl2tpd[26257]: Using l2tp kernel support.
xl2tpd[26257]: xl2tpd version xl2tpd-1.3.8 started on ulises PID:26257
xl2tpd[26257]: Written by Mark Spencer, Copyright (C) 1998, Adtran, Inc.
xl2tpd[26257]: Forked by Scott Balmos and David Stipp, (C) 2001
xl2tpd[26257]: Inherited by Jeff McAdams, (C) 2002
xl2tpd[26257]: Forked again by Xelerance (www.xelerance.com) (C) 2006-2016
xl2tpd[26257]: Listening on IP address 0.0.0.0, port 46615
xl2tpd[26257]: get_call: allocating new tunnel for host 200.69.103.48, port 1701.
xl2tpd[26257]: Connecting to host 200.69.103.48, port 1701
xl2tpd[26257]: control_finish: message type is (null)(0). Tunnel is 0, call is 0.
xl2tpd[26257]: control_finish: sending SCCRQ
xl2tpd[26257]: message_type_avp: message type 2 (Start-Control-Connection-Reply)
xl2tpd[26257]: protocol_version_avp: peer is using version 1, revision 0.
xl2tpd[26257]: framing_caps_avp: supported peer frames: sync
xl2tpd[26257]: bearer_caps_avp: supported peer bearers:
xl2tpd[26257]: firmware_rev_avp: peer reports firmware version 1539 (0x0603)
xl2tpd[26257]: hostname_avp: peer reports hostname 'mercurio.udistrital.edu.co'
xl2tpd[26257]: vendor_avp: peer reports vendor 'Microsoft'
xl2tpd[26257]: assigned_tunnel_avp: using peer's tunnel 379
xl2tpd[26257]: receive_window_size_avp: peer wants RWS of 8. Will use flow control.
xl2tpd[26257]: control_finish: message type is Start-Control-Connection-Reply(2). Tunnel is 379, call is 0.
xl2tpd[26257]: control_finish: sending SCCCN
xl2tpd[26257]: Connection established to 200.69.103.48, 1701. Local: 4676, Remote: 379 (ref=0/0).
xl2tpd[26257]: Calling on tunnel 4676
xl2tpd[26257]: control_finish: message type is (null)(0). Tunnel is 379, call is 0.
xl2tpd[26257]: control_finish: sending ICRQ
xl2tpd[26257]: message_type_avp: message type 11 (Incoming-Call-Reply)
xl2tpd[26257]: assigned_call_avp: using peer's call 2
xl2tpd[26257]: control_finish: message type is Incoming-Call-Reply(11). Tunnel is 379, call is 2.
xl2tpd[26257]: control_finish: Sending ICCN
xl2tpd[26257]: Call established with 200.69.103.48, Local: 386, Remote: 2, Serial: 1 (ref=0/0)
xl2tpd[26257]: start_pppd: I'm running:
xl2tpd[26257]: "/usr/sbin/pppd"
xl2tpd[26257]: "plugin"
xl2tpd[26257]: "pppol2tp.so"
xl2tpd[26257]: "pppol2tp"
xl2tpd[26257]: "7"
xl2tpd[26257]: "passive"
xl2tpd[26257]: "nodetach"
xl2tpd[26257]: ":"
xl2tpd[26257]: "debug"
xl2tpd[26257]: "file"
xl2tpd[26257]: "/var/run/nm-l2tp-ppp-options-d812fb2d-2212-44d6-a8b7-aff603b6ed10"
nm-l2tp[26181] <info> Terminated xl2tpd daemon with PID 26257.
xl2tpd[26257]: death_handler: Fatal signal 15 received
xl2tpd[26257]: Terminating pppd: sending TERM signal to pid 26258
xl2tpd[26257]: Connection 379 closed to 200.69.103.48, port 1701 (Server closing)
Stopping strongSwan IPsec...
** Message: ipsec shut down
nm-l2tp[26181] <warn> xl2tpd exited with error code 1
Stopping strongSwan IPsec failed: starter is not running
** Message: ipsec shut down