[ 3383.506443][T30274] gre: GRE over IPv4 demultiplexor driver
[ 3384.775131][T30306] ip_gre: GRE over IPv4 tunneling driver
[ 3399.064958][T30559] ping (30559) used greatest stack depth: 23136 bytes left
[ 3419.814762][T30879] ip6_gre: GRE over IPv6 tunneling driver
[ 3437.117973][T30275] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3439.925977][ T3798] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3443.764477][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3447.412473][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3450.612469][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3454.260476][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!