[ 3653.446429][T26518] gre: GRE over IPv4 demultiplexor driver
[ 3655.717568][T26541] ip_gre: GRE over IPv4 tunneling driver
[ 3684.027237][T26795] ping (26795) used greatest stack depth: 22760 bytes left
[ 3718.925105][T27117] ip6_gre: GRE over IPv6 tunneling driver
[ 3764.016596][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3770.225475][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3775.344491][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3781.552558][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!