[ 4340.997680][T21521] gre: GRE over IPv4 demultiplexor driver
[ 4343.109214][T21544] ip_gre: GRE over IPv4 tunneling driver
[ 4404.793991][T22118] ip6_gre: GRE over IPv6 tunneling driver
[ 4448.433608][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4454.386523][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4459.313528][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4465.330502][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!