[ 3156.671712][T28971] gre: GRE over IPv4 demultiplexor driver
[ 3157.856158][T28994] ip_gre: GRE over IPv4 tunneling driver
[ 3172.448540][T29246] ping (29246) used greatest stack depth: 22944 bytes left
[ 3193.267872][T29566] ip6_gre: GRE over IPv6 tunneling driver
[ 3194.601524][T28564] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3205.225473][ T7420] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3217.193405][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3220.905393][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3224.169397][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3227.882393][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!