[ 1546.527014][T31559] gre: GRE over IPv4 demultiplexer driver
[ 1547.010005][T31582] ip_gre: GRE over IPv4 tunneling driver
[ 1562.930379][T32160] ip6_gre: GRE over IPv6 tunneling driver
[ 1567.382397][T32360] ping (32360) used greatest stack depth: 23664 bytes left
[ 1573.349601][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1575.460569][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1577.316576][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1579.301578][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!