[ 2829.906776][T23658] gre: GRE over IPv4 demultiplexer driver
[ 2831.489018][T23681] ip_gre: GRE over IPv4 tunneling driver
[ 2878.416094][T24253] ip6_gre: GRE over IPv6 tunneling driver
[ 2905.774296][T24597] ping (24597) used greatest stack depth: 23168 bytes left
[ 2910.874516][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2915.674430][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2919.834421][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2924.635414][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!