[ 1235.085638][T29956] gre: GRE over IPv4 demultiplexer driver
[ 1235.634120][T29979] ip_gre: GRE over IPv4 tunneling driver
[ 1241.497271][T30232] ping (30232) used greatest stack depth: 23408 bytes left
[ 1252.405836][T30552] ip6_gre: GRE over IPv6 tunneling driver
[ 1263.466963][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1265.578910][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1267.498934][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1269.611920][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!