[ 3815.539249][T17795] gre: GRE over IPv4 demultiplexor driver
[ 3817.659305][T17818] ip_gre: GRE over IPv4 tunneling driver
[ 3879.167737][T18390] ip6_gre: GRE over IPv6 tunneling driver
[ 3926.254920][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3932.398821][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3937.646856][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3943.855828][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!