[ 1588.495516][T10661] gre: GRE over IPv4 demultiplexer driver
[ 1589.007346][T10684] ip_gre: GRE over IPv4 tunneling driver
[ 1608.128257][T11256] ip6_gre: GRE over IPv6 tunneling driver
[ 1619.838159][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1621.950129][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1623.870175][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1625.981133][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1648.577374][T12637] ping (12637) used greatest stack depth: 22992 bytes left