[ 1444.144818][T30316] gre: GRE over IPv4 demultiplexer driver
[ 1444.577270][T30339] ip_gre: GRE over IPv4 tunneling driver
[ 1460.216641][T30910] ip6_gre: GRE over IPv6 tunneling driver
[ 1465.675796][T31163] ping (31163) used greatest stack depth: 23344 bytes left
[ 1470.471534][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1472.455504][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1474.247506][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1476.232516][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!