[ 4707.893176][T24504] gre: GRE over IPv4 demultiplexor driver
[ 4710.046631][T24527] ip_gre: GRE over IPv4 tunneling driver
[ 4717.626469][T24592] ping (24592) used greatest stack depth: 23848 bytes left
[ 4773.932103][T25106] ip6_gre: GRE over IPv6 tunneling driver
[ 4802.372342][T25365] ping (25365) used greatest stack depth: 23600 bytes left
[ 4812.975948][T25459] ping (25459) used greatest stack depth: 23328 bytes left
[ 4819.191735][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4825.335653][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4830.584626][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4836.855627][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!