[ 3160.699094][T27839] gre: GRE over IPv4 demultiplexor driver
[ 3161.907992][T27862] ip_gre: GRE over IPv4 tunneling driver
[ 3199.939793][T28434] ip6_gre: GRE over IPv6 tunneling driver
[ 3214.679994][T28684] ping (28684) used greatest stack depth: 23360 bytes left
[ 3220.460050][T18662] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3224.426827][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3228.202833][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3231.529848][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3235.306837][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3283.674299][T29770] ping (29770) used greatest stack depth: 22992 bytes left