[ 1465.046320][T16831] gre: GRE over IPv4 demultiplexer driver
[ 1465.530519][T16854] ip_gre: GRE over IPv4 tunneling driver
[ 1471.391680][T17107] ping (17107) used greatest stack depth: 23328 bytes left
[ 1482.133058][T17426] ip6_gre: GRE over IPv6 tunneling driver
[ 1493.181627][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1495.293608][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1497.213649][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1499.261602][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!