[ 3456.978055][T15404] gre: GRE over IPv4 demultiplexor driver
[ 3458.979300][T15428] ip_gre: GRE over IPv4 tunneling driver
[ 3518.362045][T16001] ip6_gre: GRE over IPv6 tunneling driver
[ 3558.707146][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3564.531029][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3569.524020][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3575.475077][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!