[ 3237.644136][T27687] gre: GRE over IPv4 demultiplexor driver
[ 3238.862098][T27710] ip_gre: GRE over IPv4 tunneling driver
[ 3276.010986][T28281] ip6_gre: GRE over IPv6 tunneling driver
[ 3280.615511][ T7934] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3294.019116][T28574] ping (28574) used greatest stack depth: 22688 bytes left
[ 3294.377422][T27027] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3297.446439][T27027] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3301.414335][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3305.254336][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3308.647354][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3312.550327][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!