[ 3171.024744][T22571] gre: GRE over IPv4 demultiplexor driver
[ 3172.992464][T22596] ip_gre: GRE over IPv4 tunneling driver
[ 3208.065741][T22944] ping (22944) used greatest stack depth: 22976 bytes left
[ 3232.458745][T23170] ip6_gre: GRE over IPv6 tunneling driver
[ 3274.288601][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3280.112507][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3285.232548][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3291.376505][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!