[ 1537.357951][ T8432] gre: GRE over IPv4 demultiplexer driver
[ 1537.839310][ T8455] ip_gre: GRE over IPv4 tunneling driver
[ 1554.553095][ T9027] ip6_gre: GRE over IPv6 tunneling driver
[ 1559.363351][ T9227] ping (9227) used greatest stack depth: 23248 bytes left
[ 1565.784837][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1567.896823][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1569.815809][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1571.927832][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!