[ 4384.654613][T20606] gre: GRE over IPv4 demultiplexor driver
[ 4386.706996][T20629] ip_gre: GRE over IPv4 tunneling driver
[ 4447.243097][T21202] ip6_gre: GRE over IPv6 tunneling driver
[ 4490.177902][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4496.194795][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4501.313809][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4507.393782][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!