[ 3407.699526][T28768] gre: GRE over IPv4 demultiplexor driver
[ 3408.870459][T28791] ip_gre: GRE over IPv4 tunneling driver
[ 3444.597197][T29364] ip6_gre: GRE over IPv6 tunneling driver
[ 3445.933333][T26373] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3454.317711][T12448] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3468.908174][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3472.748165][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3476.076162][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3479.852147][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3528.186087][T30698] ping (30698) used greatest stack depth: 22992 bytes left