[ 3409.702241][T27249] gre: GRE over IPv4 demultiplexor driver
[ 3410.819803][T27272] ip_gre: GRE over IPv4 tunneling driver
[ 3445.453144][T27849] ip6_gre: GRE over IPv6 tunneling driver
[ 3465.019965][T28192] ping (28192) used greatest stack depth: 23296 bytes left
[ 3469.185519][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3472.898410][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3476.289427][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3480.002428][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!