[ 4738.630219][T24692] gre: GRE over IPv4 demultiplexor driver
[ 4740.893175][T24716] ip_gre: GRE over IPv4 tunneling driver
[ 4806.699727][T25291] ip6_gre: GRE over IPv6 tunneling driver
[ 4836.533948][T25540] ping (25540) used greatest stack depth: 23600 bytes left
[ 4853.503900][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4859.903806][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4865.343809][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4871.679796][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!