[ 1312.330103][T31642] gre: GRE over IPv4 demultiplexer driver
[ 1312.890997][T31665] ip_gre: GRE over IPv4 tunneling driver
[ 1329.725115][T32237] ip6_gre: GRE over IPv6 tunneling driver
[ 1335.755988][T32486] ping (32486) used greatest stack depth: 22952 bytes left
[ 1340.904146][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1343.080115][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1345.000119][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1347.113134][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!