[ 4462.255722][T26063] gre: GRE over IPv4 demultiplexor driver
[ 4464.293619][T26086] ip_gre: GRE over IPv4 tunneling driver
[ 4525.494891][T26657] ip6_gre: GRE over IPv6 tunneling driver
[ 4542.398881][T26812] ping (26812) used greatest stack depth: 23728 bytes left
[ 4552.072549][T26906] ping (26906) used greatest stack depth: 23360 bytes left
[ 4567.670420][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4573.430337][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4578.293352][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4584.054346][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!