[ 1407.734554][T14804] gre: GRE over IPv4 demultiplexer driver
[ 1408.257288][T14828] ip_gre: GRE over IPv4 tunneling driver
[ 1425.112723][T15414] ip6_gre: GRE over IPv6 tunneling driver
[ 1433.672764][T15757] ping (15757) used greatest stack depth: 23168 bytes left
[ 1433.857827][   T66] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1436.544769][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1438.593759][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1440.448761][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1442.625772][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!