[ 4426.014602][T29297] gre: GRE over IPv4 demultiplexer driver
[ 4427.643874][T29321] ip_gre: GRE over IPv4 tunneling driver
[ 4476.468168][T29893] ip6_gre: GRE over IPv6 tunneling driver
[ 4504.991907][T13329] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4509.663751][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4514.527782][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4518.879760][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4523.871799][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4696.971459][T32406] ping (32406) used greatest stack depth: 23488 bytes left