[ 1418.626136][T27956] gre: GRE over IPv4 demultiplexer driver
[ 1419.152398][T27979] ip_gre: GRE over IPv4 tunneling driver
[ 1435.019417][T28551] ip6_gre: GRE over IPv6 tunneling driver
[ 1440.650463][T28802] ping (28802) used greatest stack depth: 23072 bytes left
[ 1445.507824][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1447.491799][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1449.346804][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1451.395800][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!