[ 4063.791918][T28757] gre: GRE over IPv4 demultiplexer driver
[ 4065.356535][T28781] ip_gre: GRE over IPv4 tunneling driver
[ 4112.193046][T29352] ip6_gre: GRE over IPv6 tunneling driver
[ 4144.380560][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4149.116401][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4153.148382][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4157.948379][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4226.537076][T30738] ping (30738) used greatest stack depth: 23024 bytes left