[ 3136.288750][T20444] gre: GRE over IPv4 demultiplexor driver
[ 3137.421278][T20467] ip_gre: GRE over IPv4 tunneling driver
[ 3152.193874][T20722] ping (20722) used greatest stack depth: 23840 bytes left
[ 3173.267438][T21042] ip6_gre: GRE over IPv6 tunneling driver
[ 3180.611256][ T1397] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3189.808628][T21292] ping (21292) used greatest stack depth: 23296 bytes left
[ 3199.811316][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3203.970177][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3207.618133][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3211.394146][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!