[ 4015.232482][T24586] gre: GRE over IPv4 demultiplexor driver [ 4017.544457][T24610] ip_gre: GRE over IPv4 tunneling driver [ 4077.955902][T25187] ip6_gre: GRE over IPv6 tunneling driver [ 4104.300555][T25436] ping (25436) used greatest stack depth: 23632 bytes left [ 4120.009968][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4126.217822][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4131.401864][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4137.417832][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured!