[ 1375.814793][T21869] gre: GRE over IPv4 demultiplexer driver
[ 1376.460745][T21892] ip_gre: GRE over IPv4 tunneling driver
[ 1393.354319][T22463] ip6_gre: GRE over IPv6 tunneling driver
[ 1403.286574][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1405.270548][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1407.061539][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1409.045537][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!