[ 2537.859920][T17623] gre: GRE over IPv4 demultiplexor driver
[ 2539.756123][T17646] ip_gre: GRE over IPv4 tunneling driver
[ 2600.030074][T18217] ip6_gre: GRE over IPv6 tunneling driver
[ 2642.465706][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2648.993646][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2653.857651][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2659.617718][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!