[ 3172.851506][T28738] gre: GRE over IPv4 demultiplexor driver
[ 3174.012567][T28761] ip_gre: GRE over IPv4 tunneling driver
[ 3189.365454][T29014] ping (29014) used greatest stack depth: 22960 bytes left
[ 3214.727458][T29333] ip6_gre: GRE over IPv6 tunneling driver
[ 3241.048418][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3244.824344][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3248.152337][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3251.992526][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!