[ 1549.451389][T22591] gre: GRE over IPv4 demultiplexer driver
[ 1550.039905][T22615] ip_gre: GRE over IPv4 tunneling driver
[ 1555.392203][T22817] ping (22817) used greatest stack depth: 24144 bytes left
[ 1556.662907][T22867] ping (22867) used greatest stack depth: 23904 bytes left
[ 1568.474958][T23186] ip6_gre: GRE over IPv6 tunneling driver
[ 1570.334485][T23248] ping (23248) used greatest stack depth: 23888 bytes left
[ 1574.976883][T23436] ping (23436) used greatest stack depth: 23808 bytes left
[ 1580.298671][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1582.537673][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1584.585638][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1586.698632][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1610.684015][T24569] ping (24569) used greatest stack depth: 23600 bytes left