[ 1511.468027][ T5000] ip6_gre: GRE over IPv6 tunneling driver
[ 1521.857682][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1523.842624][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1525.698616][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1527.746635][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!