[ 1523.704703][T31525] gre: GRE over IPv4 demultiplexer driver
[ 1524.199472][T31548] ip_gre: GRE over IPv4 tunneling driver
[ 1540.142583][T32119] ip6_gre: GRE over IPv6 tunneling driver
[ 1540.713662][   T64] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1542.723269][   T64] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1550.649556][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1552.697560][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1554.552571][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1556.600568][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1609.250375][ T2173] ping (2173) used greatest stack depth: 23280 bytes left