[ 4528.858668][T29139] gre: GRE over IPv4 demultiplexer driver
[ 4530.612133][T29162] ip_gre: GRE over IPv4 tunneling driver
[ 4580.835039][T29733] ip6_gre: GRE over IPv6 tunneling driver
[ 4615.403754][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4620.459620][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4624.812606][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4629.868617][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4703.652361][T31116] ping (31116) used greatest stack depth: 22608 bytes left