[ 1460.471393][T31162] gre: GRE over IPv4 demultiplexer driver
[ 1460.987031][T31185] ip_gre: GRE over IPv4 tunneling driver
[ 1476.857588][T31757] ip6_gre: GRE over IPv6 tunneling driver
[ 1482.388028][T32006] ping (32006) used greatest stack depth: 23168 bytes left
[ 1487.293276][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1489.278238][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1491.134235][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1493.182240][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!