[ 3176.363062][T28882] gre: GRE over IPv4 demultiplexor driver
[ 3177.580125][T28905] ip_gre: GRE over IPv4 tunneling driver
[ 3213.228751][T29477] ip6_gre: GRE over IPv6 tunneling driver
[ 3227.525766][T29728] ping (29728) used greatest stack depth: 23568 bytes left
[ 3232.724492][T29822] ping (29822) used greatest stack depth: 23296 bytes left
[ 3236.924455][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3240.636413][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3243.836388][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3247.612389][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!