[ 3166.804544][T24834] gre: GRE over IPv4 demultiplexer driver
[ 3168.386583][T24857] ip_gre: GRE over IPv4 tunneling driver
[ 3216.679084][T25428] ip6_gre: GRE over IPv6 tunneling driver
[ 3236.665824][T25677] ping (25677) used greatest stack depth: 22624 bytes left
[ 3249.001500][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3253.801392][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3257.961389][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3262.697398][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!