[ 3366.652464][ T4240] gre: GRE over IPv4 demultiplexor driver
[ 3367.802386][ T4263] ip_gre: GRE over IPv4 tunneling driver
[ 3403.481257][ T4850] ip6_gre: GRE over IPv6 tunneling driver
[ 3428.252684][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3432.029606][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3435.356579][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3439.132603][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!