[ 1404.310510][T24466] gre: GRE over IPv4 demultiplexer driver
[ 1404.832175][T24489] ip_gre: GRE over IPv4 tunneling driver
[ 1420.908731][T25061] ip6_gre: GRE over IPv6 tunneling driver
[ 1426.500163][T25310] ping (25310) used greatest stack depth: 23712 bytes left
[ 1427.431305][T25354] ping (25354) used greatest stack depth: 23664 bytes left
[ 1431.398206][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1433.446160][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1435.302174][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1437.351166][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!