[ 4053.178254][T16937] ip_gre: GRE over IPv4 tunneling driver
[ 4165.108568][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4171.315502][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4176.627493][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4182.899507][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!