[ 3906.386310][T20168] gre: GRE over IPv4 demultiplexor driver
[ 3908.520143][T20191] ip_gre: GRE over IPv4 tunneling driver
[ 3969.857079][T20762] ip6_gre: GRE over IPv6 tunneling driver
[ 4014.659605][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4020.482493][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4025.538497][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4031.362493][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!