[ 1484.280972][ T3736] gre: GRE over IPv4 demultiplexer driver
[ 1484.859209][ T3759] ip_gre: GRE over IPv4 tunneling driver
[ 1503.951926][ T4334] ip6_gre: GRE over IPv6 tunneling driver
[ 1511.089268][ T4587] ping (4587) used greatest stack depth: 23120 bytes left
[ 1516.626543][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1518.738504][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1520.657512][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1522.769508][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!