[ 1317.792150][T30951] gre: GRE over IPv4 demultiplexer driver
[ 1318.357636][T30974] ip_gre: GRE over IPv4 tunneling driver
[ 1324.325787][T31226] ping (31226) used greatest stack depth: 23968 bytes left
[ 1335.196252][T31546] ip6_gre: GRE over IPv6 tunneling driver
[ 1339.144039][   T65] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1341.117849][T31795] ping (31795) used greatest stack depth: 23584 bytes left
[ 1342.104653][T31839] ping (31839) used greatest stack depth: 23200 bytes left
[ 1346.176823][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1348.287756][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1350.208781][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1352.320774][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!