[ 1514.601175][  T598] gre: GRE over IPv4 demultiplexer driver
[ 1515.035826][  T621] ip_gre: GRE over IPv4 tunneling driver
[ 1530.588277][ T1192] ip6_gre: GRE over IPv6 tunneling driver
[ 1537.024145][T30323] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1540.792065][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1542.777065][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1544.633065][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1546.616071][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1594.988267][ T3545] ip (3545) used greatest stack depth: 23352 bytes left
[ 1600.600653][ T3805] ping (3805) used greatest stack depth: 23152 bytes left