[ 1485.403123][  T930] gre: GRE over IPv4 demultiplexer driver
[ 1485.845127][  T953] ip_gre: GRE over IPv4 tunneling driver
[ 1501.422074][ T1535] ip6_gre: GRE over IPv6 tunneling driver
[ 1511.619392][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1513.603359][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1515.395352][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1517.379360][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1524.299588][ T2446] ping (2446) used greatest stack depth: 23536 bytes left
[ 1536.757213][ T2866] ping (2866) used greatest stack depth: 23456 bytes left