[ 4456.470064][T22418] gre: GRE over IPv4 demultiplexor driver
[ 4458.525719][T22441] ip_gre: GRE over IPv4 tunneling driver
[ 4519.270891][T23015] ip6_gre: GRE over IPv6 tunneling driver
[ 4561.587552][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4567.603439][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4572.659455][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4578.419436][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!