[ 3296.644511][T23678] gre: GRE over IPv4 demultiplexer driver
[ 3298.344418][T23701] ip_gre: GRE over IPv4 tunneling driver
[ 3347.559109][T24273] ip6_gre: GRE over IPv6 tunneling driver
[ 3368.671269][T24529] ping (24529) used greatest stack depth: 23552 bytes left
[ 3369.137277][ T8278] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3381.617086][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3386.481110][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3390.705090][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3395.632128][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!