[ 1552.057883][ T1839] gre: GRE over IPv4 demultiplexer driver
[ 1552.473749][ T1862] ip_gre: GRE over IPv4 tunneling driver
[ 1559.718565][ T2208] ping (2208) used greatest stack depth: 23680 bytes left
[ 1567.830711][ T2433] ip6_gre: GRE over IPv6 tunneling driver
[ 1570.314993][ T6411] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1577.970901][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1579.954905][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1581.747898][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1583.730920][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!