[ 1773.668399][T16055] gre: GRE over IPv4 demultiplexer driver
[ 1774.129297][T16078] ip_gre: GRE over IPv4 tunneling driver
[ 1779.465983][T16330] ping (16330) used greatest stack depth: 23104 bytes left
[ 1789.490476][T16649] ip6_gre: GRE over IPv6 tunneling driver
[ 1796.683278][T16992] ping (16992) used greatest stack depth: 22864 bytes left
[ 1799.491238][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1801.475212][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1803.267209][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1805.250224][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!