[ 1608.905420][ T2371] gre: GRE over IPv4 demultiplexer driver
[ 1609.383954][ T2394] ip_gre: GRE over IPv4 tunneling driver
[ 1626.269561][ T2966] ip6_gre: GRE over IPv6 tunneling driver
[ 1633.343918][ T3260] ping (3260) used greatest stack depth: 22368 bytes left
[ 1637.468278][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1639.581236][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1641.500249][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1643.740243][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!