[ 1533.639599][T31622] gre: GRE over IPv4 demultiplexer driver
[ 1534.192491][T31652] ip_gre: GRE over IPv4 tunneling driver
[ 1550.177934][T32223] ip6_gre: GRE over IPv6 tunneling driver
[ 1551.866723][T24956] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1555.779716][T32474] ping (32474) used greatest stack depth: 23168 bytes left
[ 1560.698650][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1562.683649][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1564.602652][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1566.650656][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!