[ 3226.702675][T27804] gre: GRE over IPv4 demultiplexor driver
[ 3227.872615][T27827] ip_gre: GRE over IPv4 tunneling driver
[ 3266.854838][T28400] ip6_gre: GRE over IPv6 tunneling driver
[ 3281.144134][T26114] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3283.867185][T28649] ping (28649) used greatest stack depth: 23360 bytes left
[ 3293.815826][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3297.655810][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3301.048794][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3304.887801][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3360.083502][T29832] ping (29832) used greatest stack depth: 22992 bytes left