[ 4174.863822][T28635] gre: GRE over IPv4 demultiplexer driver
[ 4176.504420][T28659] ip_gre: GRE over IPv4 tunneling driver
[ 4225.849430][T29232] ip6_gre: GRE over IPv6 tunneling driver
[ 4259.307818][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4264.235047][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4268.586089][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4273.451051][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4344.338607][T30613] ping (30613) used greatest stack depth: 22848 bytes left