[ 4101.259715][T15049] ip_gre: GRE over IPv4 tunneling driver
[ 4210.626133][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4216.770135][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4221.890139][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4227.970145][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!