[ 3190.337582][T29001] gre: GRE over IPv4 demultiplexor driver
[ 3191.482160][T29024] ip_gre: GRE over IPv4 tunneling driver
[ 3226.175562][T29597] ip6_gre: GRE over IPv6 tunneling driver
[ 3227.280374][T29608] ping (29608) used greatest stack depth: 23488 bytes left
[ 3240.971524][T26059] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3250.251437][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3254.156439][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3257.611422][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3261.387428][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!