[ 1753.631116][T12620] gre: GRE over IPv4 demultiplexer driver
[ 1754.149403][T12644] ip_gre: GRE over IPv4 tunneling driver
[ 1756.087056][T12737] ip (12737) used greatest stack depth: 23728 bytes left
[ 1770.177359][T13215] ip6_gre: GRE over IPv6 tunneling driver
[ 1775.874544][T13471] ping (13471) used greatest stack depth: 23712 bytes left
[ 1776.030408][   T28] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1776.805612][T13516] ping (13516) used greatest stack depth: 23664 bytes left
[ 1777.891581][T13566] ping (13566) used greatest stack depth: 23072 bytes left
[ 1780.725658][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1782.709668][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1784.565657][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1786.613666][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!