[ 1510.273045][T20321] gre: GRE over IPv4 demultiplexer driver
[ 1510.818401][T20351] ip_gre: GRE over IPv4 tunneling driver
[ 1527.449211][T20922] ip6_gre: GRE over IPv6 tunneling driver
[ 1538.273866][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1540.321832][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1542.241836][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1544.290829][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1568.758077][T22399] ping (22399) used greatest stack depth: 23440 bytes left