[ 4711.102938][T24668] gre: GRE over IPv4 demultiplexor driver
[ 4713.270369][T24691] ip_gre: GRE over IPv4 tunneling driver
[ 4742.324928][T24944] ping (24944) used greatest stack depth: 22864 bytes left
[ 4779.252582][T25272] ip6_gre: GRE over IPv6 tunneling driver
[ 4824.945370][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4831.025272][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4836.273249][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4842.610270][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!