[ 3370.448461][T31456] gre: GRE over IPv4 demultiplexor driver
[ 3371.617382][T31479] ip_gre: GRE over IPv4 tunneling driver
[ 3383.145918][T31682] ping (31682) used greatest stack depth: 23072 bytes left
[ 3406.720789][T32054] ip6_gre: GRE over IPv6 tunneling driver
[ 3431.013508][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3434.789465][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3438.053434][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3441.765446][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!