[ 1504.669813][T26018] gre: GRE over IPv4 demultiplexer driver
[ 1505.111779][T26041] ip_gre: GRE over IPv4 tunneling driver
[ 1520.319700][T26614] ip6_gre: GRE over IPv6 tunneling driver
[ 1525.579307][T26863] ping (26863) used greatest stack depth: 23328 bytes left
[ 1530.288567][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1532.272542][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1534.065527][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1536.048549][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1556.147719][T28001] ping (28001) used greatest stack depth: 22864 bytes left