[ 3509.807896][T30584] gre: GRE over IPv4 demultiplexor driver
[ 3511.106415][T30607] ip_gre: GRE over IPv4 tunneling driver
[ 3548.981341][T31178] ip6_gre: GRE over IPv6 tunneling driver
[ 3550.503418][T19482] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3562.536312][T30517] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3576.935993][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3580.774974][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3584.102987][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3588.071011][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!