[ 3950.165201][T20033] gre: GRE over IPv4 demultiplexor driver
[ 3952.226619][T20056] ip_gre: GRE over IPv4 tunneling driver
[ 4015.433057][T20629] ip6_gre: GRE over IPv6 tunneling driver
[ 4057.998660][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4064.270554][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4069.518503][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4075.790562][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!