[ 1815.210197][ T4119] gre: GRE over IPv4 demultiplexer driver
[ 1815.733504][ T4142] ip_gre: GRE over IPv4 tunneling driver
[ 1834.354223][ T4722] ip6_gre: GRE over IPv6 tunneling driver
[ 1841.317419][ T4978] ping (4978) used greatest stack depth: 22496 bytes left
[ 1846.912485][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1849.217418][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1851.328389][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1853.632449][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!