[ 1312.802209][T31922] gre: GRE over IPv4 demultiplexer driver
[ 1313.364408][T31945] ip_gre: GRE over IPv4 tunneling driver
[ 1329.944351][T32519] ip6_gre: GRE over IPv6 tunneling driver
[ 1337.984947][  T394] ping (394) used greatest stack depth: 22952 bytes left
[ 1340.905507][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1342.954497][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1344.873491][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1347.049492][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!