[ 1541.758868][ T1415] gre: GRE over IPv4 demultiplexer driver
[ 1542.173099][ T1438] ip_gre: GRE over IPv4 tunneling driver
[ 1557.802287][ T2010] ip6_gre: GRE over IPv6 tunneling driver
[ 1564.248901][T20149] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1565.178036][ T2355] ping (2355) used greatest stack depth: 22432 bytes left
[ 1567.992827][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1569.977838][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1571.832825][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1573.816834][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!