[ 4682.525479][T23211] gre: GRE over IPv4 demultiplexor driver
[ 4684.786391][T23234] ip_gre: GRE over IPv4 tunneling driver
[ 4750.500427][T23807] ip6_gre: GRE over IPv6 tunneling driver
[ 4773.925587][T24006] ping (24006) used greatest stack depth: 22448 bytes left
[ 4797.175458][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4803.766436][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4809.270418][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4815.990431][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!