[ 4379.443221][T29800] gre: GRE over IPv4 demultiplexor driver
[ 4381.096272][T29823] ip_gre: GRE over IPv4 tunneling driver
[ 4428.625843][T30402] ip6_gre: GRE over IPv6 tunneling driver
[ 4461.810704][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4466.546621][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4470.642615][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4475.379630][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!