[ 1422.895032][T10908] gre: GRE over IPv4 demultiplexer driver
[ 1423.481074][T10931] ip_gre: GRE over IPv4 tunneling driver
[ 1428.834518][T11133] ping (11133) used greatest stack depth: 23632 bytes left
[ 1442.078696][T11502] ip6_gre: GRE over IPv6 tunneling driver
[ 1454.423164][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1456.792079][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1458.904065][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1461.143078][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!