(usagi-users 03118) IPsec starting error

[kuji@xxxxxxxxxxxxxxxxx]

Hi!

Would you help someone? 
The following messages are outputted at the time of starting of IPsec,
and a session cannot be established. 

Please let me know the cause of this message.
Environment is Linux kernel 2.6.

erver2 sbin]# ./ipsec auto --up test1
112 "test1" #152: STATE_QUICK_I1: initiate
003 "test1" #152: ERROR: PF_KEY SADB_X_ADDFLOW response for flow esp:1699fbb2@2001:380:1f7:1000::221 included errno 22: Invalid argument
032 "test1" #152: STATE_QUICK_I1: internal error
003 "test1" #152: ERROR: PF_KEY SADB_X_ADDFLOW response for flow esp:1699fbb2@2001:380:1f7:1000::221 included errno 22: Invalid argument
032 "test1" #152: STATE_QUICK_I1: internal error
010 "test1" #152: STATE_QUICK_I1: retransmission; will wait 20s for response
010 "test1" #152: STATE_QUICK_I1: retransmission; will wait 40s for response
003 "test1" #152: ERROR: PF_KEY SADB_X_ADDFLOW response for flow esp:1699fbb2@2001:380:1f7:1000::221 included errno 22: Invalid argument
032 "test1" #152: STATE_QUICK_I1: internal error
031 "test1" #152: max number of retransmissions (2) reached STATE_QUICK_I1
000 "test1" #152: starting keying attempt 2 of an unlimited number, but releasing whack


Naotsugu Kuji
 kuji@xxxxxxxxxxxxxxxxx