[ 4629.386867][T23241] gre: GRE over IPv4 demultiplexor driver
[ 4631.665847][T23268] ip_gre: GRE over IPv4 tunneling driver
[ 4696.467620][T23840] ip6_gre: GRE over IPv6 tunneling driver
[ 4740.654743][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4746.670698][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4751.790643][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4757.870658][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!