[ 1248.367083][T28531] gre: GRE over IPv4 demultiplexer driver
[ 1248.790566][T28554] ip_gre: GRE over IPv4 tunneling driver
[ 1254.211398][T28809] ping (28809) used greatest stack depth: 23664 bytes left
[ 1264.429907][T29135] ip6_gre: GRE over IPv6 tunneling driver
[ 1269.872294][T29384] ping (29384) used greatest stack depth: 22928 bytes left
[ 1274.666119][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1276.649085][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1278.505092][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1280.490092][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!