[ 3158.391289][T27808] gre: GRE over IPv4 demultiplexor driver
[ 3159.679413][T27838] ip_gre: GRE over IPv4 tunneling driver
[ 3195.697138][T28409] ip6_gre: GRE over IPv6 tunneling driver
[ 3210.510726][T28658] ping (28658) used greatest stack depth: 23296 bytes left
[ 3210.918812][T26139] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3219.942676][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3223.655683][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3226.918671][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3230.630674][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!