[ 1604.617839][ T7371] gre: GRE over IPv4 demultiplexer driver
[ 1605.130092][ T7394] ip_gre: GRE over IPv4 tunneling driver
[ 1622.091160][ T7975] ip6_gre: GRE over IPv6 tunneling driver
[ 1628.067020][ T8224] ping (8224) used greatest stack depth: 22944 bytes left
[ 1633.132298][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1635.244263][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1637.164260][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1639.275280][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!