HOURS              96 net/netfilter/nf_conntrack_pptp.c #define PPTP_GRE_STREAM_TIMEOUT 	(5 HOURS)
HOURS              50 net/netfilter/nf_conntrack_proto_sctp.c #define DAYS  * 24 HOURS
HOURS              65 net/netfilter/nf_conntrack_proto_tcp.c #define DAYS * 24 HOURS