[ 1538.327717][T18334] gre: GRE over IPv4 demultiplexer driver
[ 1538.813391][T18357] ip_gre: GRE over IPv4 tunneling driver
[ 1554.754187][T18928] ip6_gre: GRE over IPv6 tunneling driver
[ 1558.431704][   T10] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1565.302602][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1567.287614][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1569.142611][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1571.126639][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1592.286492][T20321] ping (20321) used greatest stack depth: 23504 bytes left