[ 1543.767296][ T7812] gre: GRE over IPv4 demultiplexer driver
[ 1544.221383][ T7835] ip_gre: GRE over IPv4 tunneling driver
[ 1560.271420][ T8422] ip6_gre: GRE over IPv6 tunneling driver
[ 1568.011538][ T8766] ping (8766) used greatest stack depth: 22960 bytes left
[ 1570.890260][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1572.939177][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1574.794182][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1576.842207][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!