[ 4462.310239][T26079] gre: GRE over IPv4 demultiplexor driver
[ 4464.450158][T26103] ip_gre: GRE over IPv4 tunneling driver
[ 4528.615319][T26675] ip6_gre: GRE over IPv6 tunneling driver
[ 4580.537696][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4587.769488][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4593.274482][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4599.481490][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4810.888649][T29252] ping (29252) used greatest stack depth: 22960 bytes left