[ 1496.164101][T15314] ping (15314) used greatest stack depth: 23568 bytes left
[ 1504.452388][T15541] ip6_gre: GRE over IPv6 tunneling driver
[ 1508.821107][T15740] ping (15740) used greatest stack depth: 23184 bytes left
[ 1511.845583][T15884] ping (15884) used greatest stack depth: 22800 bytes left
[ 1514.662299][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1516.646256][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1518.503262][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1520.486278][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!