[ 4734.216696][T24689] gre: GRE over IPv4 demultiplexor driver
[ 4736.524456][T24712] ip_gre: GRE over IPv4 tunneling driver
[ 4744.466398][T24776] ping (24776) used greatest stack depth: 23368 bytes left
[ 4776.018391][T25058] ping (25058) used greatest stack depth: 22704 bytes left
[ 4802.125604][T25284] ip6_gre: GRE over IPv6 tunneling driver
[ 4847.733429][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4854.325339][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4859.829277][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4866.230288][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!