[ 1375.556933][T16214] gre: GRE over IPv4 demultiplexer driver
[ 1376.089041][T16237] ip_gre: GRE over IPv4 tunneling driver
[ 1391.835259][T16809] ip6_gre: GRE over IPv6 tunneling driver
[ 1396.390665][T16810] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1399.406170][T17153] ping (17153) used greatest stack depth: 23072 bytes left
[ 1402.271596][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1404.255600][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1406.110611][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1408.095604][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!