[ 4401.606264][T29212] gre: GRE over IPv4 demultiplexer driver
[ 4403.324444][T29235] ip_gre: GRE over IPv4 tunneling driver
[ 4463.796062][T29806] ip6_gre: GRE over IPv6 tunneling driver
[ 4502.823291][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4507.879174][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4512.295167][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4517.352160][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!