[ 1644.674261][T12102] gre: GRE over IPv4 demultiplexer driver
[ 1645.143419][T12125] ip_gre: GRE over IPv4 tunneling driver
[ 1660.642579][T12700] ip6_gre: GRE over IPv6 tunneling driver
[ 1666.125626][T12949] ping (12949) used greatest stack depth: 23344 bytes left
[ 1666.996565][T12993] ping (12993) used greatest stack depth: 22896 bytes left
[ 1670.850097][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1672.835055][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1674.690053][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1676.739064][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!