[ 3211.234856][T25474] gre: GRE over IPv4 demultiplexor driver
[ 3213.358474][T25498] ip_gre: GRE over IPv4 tunneling driver
[ 3240.452276][T25752] ping (25752) used greatest stack depth: 22288 bytes left
[ 3275.885688][T26071] ip6_gre: GRE over IPv6 tunneling driver
[ 3319.466875][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3325.609805][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3330.858787][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3336.746782][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!