[ 1376.238518][T31471] gre: GRE over IPv4 demultiplexer driver
[ 1376.767582][T31494] ip_gre: GRE over IPv4 tunneling driver
[ 1392.808063][T32065] ip6_gre: GRE over IPv6 tunneling driver
[ 1397.405673][T32264] ping (32264) used greatest stack depth: 23312 bytes left
[ 1398.639242][   T33] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1400.552719][T32408] ping (32408) used greatest stack depth: 23072 bytes left
[ 1403.429730][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1405.477736][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1407.334723][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1409.381737][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!