[ 1311.908781][T27187] gre: GRE over IPv4 demultiplexer driver
[ 1312.405386][T27210] ip_gre: GRE over IPv4 tunneling driver
[ 1328.301377][T27782] ip6_gre: GRE over IPv6 tunneling driver
[ 1335.811091][T28126] ping (28126) used greatest stack depth: 22704 bytes left
[ 1338.692371][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1340.676348][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1342.533337][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1344.516350][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!