[ 4762.298819][T24499] gre: GRE over IPv4 demultiplexor driver
[ 4764.512199][T24522] ip_gre: GRE over IPv4 tunneling driver
[ 4793.400910][T24776] ping (24776) used greatest stack depth: 22368 bytes left
[ 4833.326213][T25096] ip6_gre: GRE over IPv6 tunneling driver
[ 4864.549211][T25345] ping (25345) used greatest stack depth: 22048 bytes left
[ 4882.546646][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4888.946499][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4894.322451][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4900.659488][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!