[ 4276.957328][T29152] gre: GRE over IPv4 demultiplexer driver
[ 4278.529399][T29175] ip_gre: GRE over IPv4 tunneling driver
[ 4325.614323][T29752] ip6_gre: GRE over IPv6 tunneling driver
[ 4355.103736][T30096] ping (30096) used greatest stack depth: 22848 bytes left
[ 4360.246537][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4365.110450][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4369.526440][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4374.518518][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!