[ 1557.436061][T31599] gre: GRE over IPv4 demultiplexer driver
[ 1557.910004][T31622] ip_gre: GRE over IPv4 tunneling driver
[ 1574.197107][T32204] ip6_gre: GRE over IPv6 tunneling driver
[ 1579.906910][T32453] ping (32453) used greatest stack depth: 23240 bytes left
[ 1581.006349][ T6379] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1582.119311][ T6379] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1584.839257][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1586.823263][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1588.679267][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1590.727266][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!