[ 3923.703453][T19748] gre: GRE over IPv4 demultiplexor driver
[ 3925.681143][T19771] ip_gre: GRE over IPv4 tunneling driver
[ 3989.248868][T20349] ip6_gre: GRE over IPv6 tunneling driver
[ 4032.576182][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4038.528124][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4043.456094][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4049.280123][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4263.121681][T22869] ping (22869) used greatest stack depth: 22336 bytes left