[ 1487.596368][T30822] gre: GRE over IPv4 demultiplexer driver
[ 1488.075823][T30845] ip_gre: GRE over IPv4 tunneling driver
[ 1504.065761][T31420] ip6_gre: GRE over IPv6 tunneling driver
[ 1509.589105][T31669] ping (31669) used greatest stack depth: 23776 bytes left
[ 1511.757393][ T6366] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1514.436321][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1516.420324][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1518.276334][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1520.324337][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!