[ 1357.425443][ T5441] gre: GRE over IPv4 demultiplexer driver
[ 1357.851490][ T5464] ip_gre: GRE over IPv4 tunneling driver
[ 1373.286953][ T6035] ip6_gre: GRE over IPv6 tunneling driver
[ 1380.625340][ T6378] ping (6378) used greatest stack depth: 23344 bytes left
[ 1383.489221][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1385.473177][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1387.265183][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1389.249191][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!