[ 1601.048951][T19479] gre: GRE over IPv4 demultiplexer driver
[ 1601.583490][T19502] ip_gre: GRE over IPv4 tunneling driver
[ 1619.026624][T20073] ip6_gre: GRE over IPv6 tunneling driver
[ 1630.570078][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1632.747037][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1634.730039][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1636.842053][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!