[ 1534.016889][T27780] gre: GRE over IPv4 demultiplexer driver
[ 1534.527367][T27803] ip_gre: GRE over IPv4 tunneling driver
[ 1550.730701][T28374] ip6_gre: GRE over IPv6 tunneling driver
[ 1551.356338][ T5697] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1561.450758][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1563.498748][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1565.419764][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1567.467752][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1621.791769][T30896] ping (30896) used greatest stack depth: 23136 bytes left