[ 3102.482800][T26299] gre: GRE over IPv4 demultiplexor driver
[ 3103.609653][T26322] ip_gre: GRE over IPv4 tunneling driver
[ 3138.079473][T26896] ip6_gre: GRE over IPv6 tunneling driver
[ 3147.122067][T27051] ping (27051) used greatest stack depth: 23008 bytes left
[ 3161.922343][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3165.570295][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3168.706279][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3172.291269][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!