[ 3165.071603][T23677] gre: GRE over IPv4 demultiplexer driver
[ 3166.675188][T23700] ip_gre: GRE over IPv4 tunneling driver
[ 3213.113764][T24249] ip (24249) used greatest stack depth: 23216 bytes left
[ 3214.814835][T24271] ip6_gre: GRE over IPv6 tunneling driver
[ 3248.002897][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3252.865809][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3257.090791][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3261.953813][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!