[ 3177.336193][T23681] gre: GRE over IPv4 demultiplexer driver
[ 3178.979907][T23704] ip_gre: GRE over IPv4 tunneling driver
[ 3198.649658][T23949] ip (23949) used greatest stack depth: 23296 bytes left
[ 3227.668608][T24282] ip6_gre: GRE over IPv6 tunneling driver
[ 3244.611029][   T33] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3260.865895][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3265.793903][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3270.017901][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3274.945899][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!