[ 1584.586463][T31427] gre: GRE over IPv4 demultiplexer driver
[ 1585.121611][T31450] ip_gre: GRE over IPv4 tunneling driver
[ 1601.313690][T32022] ip6_gre: GRE over IPv6 tunneling driver
[ 1606.965727][T32271] ping (32271) used greatest stack depth: 23072 bytes left
[ 1611.892931][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1613.939901][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1615.859896][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1617.909280][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!