[ 4456.160097][T24999] gre: GRE over IPv4 demultiplexor driver [ 4458.171508][T25023] ip_gre: GRE over IPv4 tunneling driver [ 4518.934662][T25597] ip6_gre: GRE over IPv6 tunneling driver [ 4525.850643][T25659] ping (25659) used greatest stack depth: 23488 bytes left [ 4545.241259][T25854] ping (25854) used greatest stack depth: 23392 bytes left [ 4560.483606][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4566.242544][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4571.171518][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4576.994560][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured!