[ 4726.337804][T24423] gre: GRE over IPv4 demultiplexor driver
[ 4728.555926][T24446] ip_gre: GRE over IPv4 tunneling driver
[ 4792.241820][T25020] ip6_gre: GRE over IPv6 tunneling driver
[ 4820.205174][T25269] ping (25269) used greatest stack depth: 23328 bytes left
[ 4836.719283][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4842.863216][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4847.982211][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4854.063201][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4942.380668][T26349] ping (26349) used greatest stack depth: 22640 bytes left