[ 1695.261113][ T1130] gre: GRE over IPv4 demultiplexer driver
[ 1695.712066][ T1153] ip_gre: GRE over IPv4 tunneling driver
[ 1711.478392][ T1725] ip6_gre: GRE over IPv6 tunneling driver
[ 1716.991073][ T1977] ping (1977) used greatest stack depth: 23320 bytes left
[ 1721.891571][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1723.939547][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1725.795521][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1727.843542][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1750.781534][ T3204] ping (3204) used greatest stack depth: 23008 bytes left