[ 1735.944064][ T8810] gre: GRE over IPv4 demultiplexer driver
[ 1736.421477][ T8833] ip_gre: GRE over IPv4 tunneling driver
[ 1753.033638][ T9406] ip6_gre: GRE over IPv6 tunneling driver
[ 1758.927593][ T9656] ping (9656) used greatest stack depth: 23088 bytes left
[ 1763.983121][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1766.032089][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1767.951093][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1770.064089][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!