[ 3160.655561][T22571] gre: GRE over IPv4 demultiplexor driver
[ 3162.695243][T22594] ip_gre: GRE over IPv4 tunneling driver
[ 3223.079462][T23173] ip6_gre: GRE over IPv6 tunneling driver
[ 3264.627670][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3270.578676][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3275.698619][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3281.651601][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!