[ 1562.332881][ T1342] gre: GRE over IPv4 demultiplexer driver
[ 1562.793234][ T1365] ip_gre: GRE over IPv4 tunneling driver
[ 1578.880754][ T1938] ip6_gre: GRE over IPv6 tunneling driver
[ 1584.680306][ T1939] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1589.384754][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1591.432753][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1593.288757][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1595.336758][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1648.737297][ T4461] ping (4461) used greatest stack depth: 22640 bytes left