[ 1552.111248][T31747] gre: GRE over IPv4 demultiplexer driver
[ 1552.649079][T31772] ip_gre: GRE over IPv4 tunneling driver
[ 1568.722315][T32343] ip6_gre: GRE over IPv6 tunneling driver
[ 1579.251633][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1581.235609][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1583.091607][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1585.140605][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1606.352082][ T1256] ping (1256) used greatest stack depth: 22928 bytes left