[ 3942.979435][T20325] gre: GRE over IPv4 demultiplexor driver
[ 3944.978986][T20348] ip_gre: GRE over IPv4 tunneling driver
[ 4006.129358][T20920] ip6_gre: GRE over IPv6 tunneling driver
[ 4033.435549][T21170] ping (21170) used greatest stack depth: 23360 bytes left
[ 4049.997230][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4056.013135][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4061.004193][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4066.893157][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4150.009673][T22256] ping (22256) used greatest stack depth: 22640 bytes left
[ 4164.767442][T22400] ping (22400) used greatest stack depth: 22048 bytes left