[ 3069.153305][T17221] gre: GRE over IPv4 demultiplexor driver
[ 3071.248966][T17244] ip_gre: GRE over IPv4 tunneling driver
[ 3133.091776][T17825] ip6_gre: GRE over IPv6 tunneling driver
[ 3160.150713][T18074] ping (18074) used greatest stack depth: 23632 bytes left
[ 3175.866756][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3182.266705][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3188.155677][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3194.682875][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!