[ 4009.351772][T17481] ip_gre: GRE over IPv4 tunneling driver
[ 4104.004318][T18299] ping (18299) used greatest stack depth: 23328 bytes left
[ 4121.013374][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4127.542381][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4133.110368][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4139.573368][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4170.692414][T18867] ping (18867) used greatest stack depth: 22912 bytes left