[ 3186.183798][T28975] gre: GRE over IPv4 demultiplexor driver
[ 3187.463815][T28998] ip_gre: GRE over IPv4 tunneling driver
[ 3205.248250][T29295] ping (29295) used greatest stack depth: 23472 bytes left
[ 3223.429123][T29571] ip6_gre: GRE over IPv6 tunneling driver
[ 3247.972487][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3251.939466][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3255.331380][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3259.043397][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!