[ 2571.183545][T17623] gre: GRE over IPv4 demultiplexor driver
[ 2573.350566][T17646] ip_gre: GRE over IPv4 tunneling driver
[ 2635.917508][T18218] ip6_gre: GRE over IPv6 tunneling driver
[ 2678.698193][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2684.586093][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2689.579068][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2695.403081][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!