[ 3613.272572][T28258] gre: GRE over IPv4 demultiplexor driver
[ 3615.349284][T28281] ip_gre: GRE over IPv4 tunneling driver
[ 3681.872464][T28853] ip6_gre: GRE over IPv6 tunneling driver
[ 3706.603004][T29052] ping (29052) used greatest stack depth: 22352 bytes left
[ 3729.299074][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3735.378022][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3740.434982][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3746.705977][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!