[ 4430.313638][T29678] gre: GRE over IPv4 demultiplexer driver
[ 4432.079508][T29701] ip_gre: GRE over IPv4 tunneling driver
[ 4482.048144][T30272] ip6_gre: GRE over IPv6 tunneling driver
[ 4516.241646][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4521.233580][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4525.521549][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4530.450571][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!