[ 4653.789499][T25508] gre: GRE over IPv4 demultiplexor driver
[ 4656.004183][T25531] ip_gre: GRE over IPv4 tunneling driver
[ 4685.370357][T25785] ping (25785) used greatest stack depth: 22816 bytes left
[ 4723.363954][T26107] ip6_gre: GRE over IPv6 tunneling driver
[ 4770.549571][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4776.950431][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4782.197421][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4788.725537][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!