[ 1481.215564][ T1143] gre: GRE over IPv4 demultiplexer driver
[ 1481.643192][ T1165] ip_gre: GRE over IPv4 tunneling driver
[ 1496.705435][ T1744] ip6_gre: GRE over IPv6 tunneling driver
[ 1506.497191][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1508.417158][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1510.209158][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1512.128173][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!