[ 4268.180929][T29284] gre: GRE over IPv4 demultiplexer driver
[ 4269.759203][T29307] ip_gre: GRE over IPv4 tunneling driver
[ 4317.619501][T29880] ip6_gre: GRE over IPv6 tunneling driver
[ 4338.490901][T30129] ping (30129) used greatest stack depth: 23104 bytes left
[ 4351.295727][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4356.286655][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4360.511600][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4365.439620][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!