[ 1542.448927][T25586] gre: GRE over IPv4 demultiplexer driver
[ 1542.934966][T25609] ip_gre: GRE over IPv4 tunneling driver
[ 1558.822230][T26180] ip6_gre: GRE over IPv6 tunneling driver
[ 1566.355811][T26529] ping (26529) used greatest stack depth: 23168 bytes left
[ 1569.210999][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1571.194970][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1573.050950][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1575.034956][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!