[ 1472.731019][T30832] gre: GRE over IPv4 demultiplexer driver
[ 1473.223589][T30859] ip_gre: GRE over IPv4 tunneling driver
[ 1489.547097][T31436] ip6_gre: GRE over IPv6 tunneling driver
[ 1495.215226][T31685] ping (31685) used greatest stack depth: 23232 bytes left
[ 1500.116858][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1502.163835][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1504.019834][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1506.131831][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!