[ 1416.785897][T19045] gre: GRE over IPv4 demultiplexer driver
[ 1417.430299][T19068] ip_gre: GRE over IPv4 tunneling driver
[ 1436.101293][T19640] ip6_gre: GRE over IPv6 tunneling driver
[ 1438.069060][   T65] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1445.660809][T19984] ping (19984) used greatest stack depth: 23072 bytes left
[ 1448.820871][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1451.188863][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1453.108863][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1455.221862][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!