[ 1671.445433][T14722] gre: GRE over IPv4 demultiplexer driver
[ 1671.883754][T14745] ip_gre: GRE over IPv4 tunneling driver
[ 1677.324114][T14997] ping (14997) used greatest stack depth: 23088 bytes left
[ 1687.582842][T15316] ip6_gre: GRE over IPv6 tunneling driver
[ 1691.195238][T11870] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1693.162372][   T50] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1697.851112][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1699.898129][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1701.691110][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1703.739119][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!