[ 1600.603301][T30176] gre: GRE over IPv4 demultiplexer driver
[ 1601.158010][T30199] ip_gre: GRE over IPv4 tunneling driver
[ 1618.261858][T30772] ip6_gre: GRE over IPv6 tunneling driver
[ 1623.253723][T30971] ping (30971) used greatest stack depth: 23560 bytes left
[ 1629.623505][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1631.735468][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1633.656473][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1635.767471][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1658.332479][T32160] ping (32160) used greatest stack depth: 23384 bytes left