[ 1723.356478][ T7209] gre: GRE over IPv4 demultiplexer driver
[ 1723.849697][ T7232] ip_gre: GRE over IPv4 tunneling driver
[ 1741.309677][ T7811] ip6_gre: GRE over IPv6 tunneling driver
[ 1749.822215][ T8154] ping (8154) used greatest stack depth: 23152 bytes left
[ 1752.917466][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1755.157470][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1757.077465][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1759.253442][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!