[ 3167.018067][T23676] gre: GRE over IPv4 demultiplexer driver
[ 3168.798697][T23706] ip_gre: GRE over IPv4 tunneling driver
[ 3216.782136][T24278] ip6_gre: GRE over IPv6 tunneling driver
[ 3233.469779][T17672] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3249.725645][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3254.590620][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3258.814629][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3263.677653][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!