[ 4371.199446][T29203] gre: GRE over IPv4 demultiplexer driver
[ 4372.909410][T29226] ip_gre: GRE over IPv4 tunneling driver
[ 4422.898436][T29797] ip6_gre: GRE over IPv6 tunneling driver
[ 4447.907826][ T5932] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4456.803713][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4461.667700][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4465.826732][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4470.626737][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4536.554270][T31133] ping (31133) used greatest stack depth: 22872 bytes left