[ 3205.398073][T23677] gre: GRE over IPv4 demultiplexer driver
[ 3207.005542][T23700] ip_gre: GRE over IPv4 tunneling driver
[ 3255.341818][T24271] ip6_gre: GRE over IPv6 tunneling driver
[ 3284.983284][T24622] ping (24622) used greatest stack depth: 23008 bytes left
[ 3290.301616][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3295.228495][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3299.452518][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3304.444600][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!