I have an SG310 that refuses to accept IPSEC Site-to-Site connections. The system has firmware 9.353-4. The log indicates that the process is failing. Any help with this would be greatly appreciated.
Log entries (every 5 seconds):
2016:02:03-20:12:03 darkstar ipsec_starter[13345]: WARNING: cannot flush IPsec state/policy database
2016:02:03-20:12:03 darkstar pluto[13451]: Starting IKEv1 pluto daemon (strongSwan 4.4.1git20100610) THREADS VENDORID CISCO_QUIRKS
2016:02:03-20:12:03 darkstar pluto[13451]: loaded plugins: curl ldap aes des blowfish serpent twofish sha1 sha2 md5 random x509 pubkey pkcs1 pgp dnskey pem sqlite hmac gmp xauth attr attr-sql resolve
2016:02:03-20:12:03 darkstar pluto[13451]: including NAT-Traversal patch (Version 0.6c)
2016:02:03-20:12:03 darkstar pluto[13451]: FATAL ERROR: socket() in init_pfkeyfd(). Errno 97: Address family not supported by protocol
2016:02:03-20:12:03 darkstar ipsec_starter[13345]: pluto has died -- restart scheduled (5sec)
2016:02:03-20:12:03 darkstar ipsec_starter[13345]: pluto refused to be started
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