[ 1463.072219][T11870] gre: GRE over IPv4 demultiplexer driver
[ 1463.522823][T11893] ip_gre: GRE over IPv4 tunneling driver
[ 1478.904447][T12471] ip6_gre: GRE over IPv6 tunneling driver
[ 1488.973505][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1490.957464][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1492.813456][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1494.797465][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!