[ 3212.637173][T28922] gre: GRE over IPv4 demultiplexor driver
[ 3213.781131][T28945] ip_gre: GRE over IPv4 tunneling driver
[ 3233.179743][T29291] ping (29291) used greatest stack depth: 23120 bytes left
[ 3248.269885][T29524] ip6_gre: GRE over IPv6 tunneling driver
[ 3259.869894][T26044] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3271.645474][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3275.293479][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3278.429500][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3282.077483][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!