[ 1651.563747][ T2378] gre: GRE over IPv4 demultiplexer driver
[ 1652.095256][ T2401] ip_gre: GRE over IPv4 tunneling driver
[ 1669.041054][ T2981] ip6_gre: GRE over IPv6 tunneling driver
[ 1675.140443][ T3231] ping (3231) used greatest stack depth: 23264 bytes left
[ 1677.336284][ T3325] ping (3325) used greatest stack depth: 22864 bytes left
[ 1680.236002][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1682.348948][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1684.331952][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1686.443960][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!