[ 1555.548480][ T1467] gre: GRE over IPv4 demultiplexer driver
[ 1555.995889][ T1490] ip_gre: GRE over IPv4 tunneling driver
[ 1571.303833][ T2061] ip6_gre: GRE over IPv6 tunneling driver
[ 1581.446981][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1583.430943][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1585.222955][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1587.205972][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1638.052073][ T4579] ping (4579) used greatest stack depth: 23360 bytes left