[ 1386.625509][T30045] gre: GRE over IPv4 demultiplexer driver
[ 1387.048478][T30068] ip_gre: GRE over IPv4 tunneling driver
[ 1402.494595][T30641] ip6_gre: GRE over IPv6 tunneling driver
[ 1406.810292][T30842] ping (30842) used greatest stack depth: 23696 bytes left
[ 1412.624051][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1414.608033][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1416.400021][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1418.448042][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1469.838528][  T709] ping (709) used greatest stack depth: 23392 bytes left