[ 1633.964321][ T1781] gre: GRE over IPv4 demultiplexer driver
[ 1634.466273][ T1808] ip_gre: GRE over IPv4 tunneling driver
[ 1650.851280][ T2380] ip6_gre: GRE over IPv6 tunneling driver
[ 1656.779586][T31413] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1661.638531][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1663.687523][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1665.606536][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1667.654533][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1691.539040][ T3856] ping (3856) used greatest stack depth: 22880 bytes left