[ 2546.134687][T17633] gre: GRE over IPv4 demultiplexer driver
[ 2547.682332][T17656] ip_gre: GRE over IPv4 tunneling driver
[ 2595.140716][T18227] ip6_gre: GRE over IPv6 tunneling driver
[ 2628.014070][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2632.814024][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2636.973011][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2641.838040][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!