[ 1534.223414][T29033] gre: GRE over IPv4 demultiplexer driver
[ 1534.745446][T29056] ip_gre: GRE over IPv4 tunneling driver
[ 1540.378629][T29308] ping (29308) used greatest stack depth: 23888 bytes left
[ 1551.093920][T29627] ip6_gre: GRE over IPv6 tunneling driver
[ 1556.910220][T29877] ping (29877) used greatest stack depth: 23728 bytes left
[ 1562.109290][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1564.158190][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1566.077311][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1568.189207][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!