[ 3117.755419][T16021] gre: GRE over IPv4 demultiplexor driver
[ 3119.720619][T16045] ip_gre: GRE over IPv4 tunneling driver
[ 3128.203164][T16140] ip (16140) used greatest stack depth: 23504 bytes left
[ 3181.979878][T16619] ip6_gre: GRE over IPv6 tunneling driver
[ 3224.467778][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3230.290702][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3235.154705][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3240.979689][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!