[ 4345.939422][T29239] gre: GRE over IPv4 demultiplexer driver
[ 4347.538743][T29262] ip_gre: GRE over IPv4 tunneling driver
[ 4396.066908][T29836] ip6_gre: GRE over IPv6 tunneling driver
[ 4416.714294][T30085] ping (30085) used greatest stack depth: 22368 bytes left
[ 4429.396799][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4434.517717][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4438.741702][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4443.732702][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!