[ 4012.138328][T24577] gre: GRE over IPv4 demultiplexor driver
[ 4014.260950][T24601] ip_gre: GRE over IPv4 tunneling driver
[ 4021.492175][T24665] ping (24665) used greatest stack depth: 23384 bytes left
[ 4074.773206][T25175] ip6_gre: GRE over IPv6 tunneling driver
[ 4116.605579][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4122.557522][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4127.549542][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4133.694527][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4170.200190][T26085] ping (26085) used greatest stack depth: 22640 bytes left