[ 3389.253647][T31450] gre: GRE over IPv4 demultiplexor driver
[ 3390.501324][T31473] ip_gre: GRE over IPv4 tunneling driver
[ 3425.235239][T32046] ip6_gre: GRE over IPv6 tunneling driver
[ 3445.836244][T32404] ping (32404) used greatest stack depth: 23296 bytes left
[ 3450.006423][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3453.909359][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3457.109342][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3460.949360][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!