[ 1348.699267][T28299] gre: GRE over IPv4 demultiplexer driver
[ 1349.190519][T28322] ip_gre: GRE over IPv4 tunneling driver
[ 1365.098914][T28893] ip6_gre: GRE over IPv6 tunneling driver
[ 1366.809766][   T70] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1369.621978][T29093] ping (29093) used greatest stack depth: 23664 bytes left
[ 1372.772347][T29237] ping (29237) used greatest stack depth: 22704 bytes left
[ 1375.642606][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1377.626609][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1379.481615][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1381.529615][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!