[ 3188.390966][T28606] gre: GRE over IPv4 demultiplexor driver [ 3189.549933][T28629] ip_gre: GRE over IPv4 tunneling driver [ 3201.472359][T28831] ping (28831) used greatest stack depth: 23216 bytes left [ 3225.516885][T29200] ip6_gre: GRE over IPv6 tunneling driver [ 3237.680378][T25940] ip6_tunnel: tep1 xmit: Local address not yet configured! [ 3249.840182][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3253.680192][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3256.945169][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3260.720185][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured!