[ 2527.652393][T17626] gre: GRE over IPv4 demultiplexor driver
[ 2529.734950][T17649] ip_gre: GRE over IPv4 tunneling driver
[ 2588.889811][T18221] ip6_gre: GRE over IPv6 tunneling driver
[ 2629.460904][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2635.284840][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2640.212841][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2645.972846][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!