[ 4374.538160][T29156] gre: GRE over IPv4 demultiplexer driver
[ 4376.196973][T29179] ip_gre: GRE over IPv4 tunneling driver
[ 4425.002793][T29752] ip6_gre: GRE over IPv6 tunneling driver
[ 4459.292403][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4464.348284][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4468.828307][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4473.820301][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4547.374877][T31140] ping (31140) used greatest stack depth: 22960 bytes left