[ 1598.332051][T25269] gre: GRE over IPv4 demultiplexer driver
[ 1598.873466][T25292] ip_gre: GRE over IPv4 tunneling driver
[ 1615.782425][T25871] ip6_gre: GRE over IPv6 tunneling driver
[ 1623.885623][T26215] ping (26215) used greatest stack depth: 22952 bytes left
[ 1626.846879][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1628.959844][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1630.878848][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1632.990829][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!