[ 4151.580855][T28738] gre: GRE over IPv4 demultiplexer driver
[ 4153.256442][T28761] ip_gre: GRE over IPv4 tunneling driver
[ 4182.949763][T29108] ping (29108) used greatest stack depth: 22920 bytes left
[ 4203.892577][T29333] ip6_gre: GRE over IPv6 tunneling driver
[ 4238.883647][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4243.810589][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4248.035565][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4252.962552][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!