establishing communication with a user equipment device (UE);

transmitting, to the UE, configuration information for a split bearer, wherein the configuration information identifies a first primary leg for the split bearer;

receiving, from the UE, a first uplink packet via the first primary leg;

determining, based on the first uplink packet, that a second uplink packet was not received;

in response to the determination that the second uplink packet was not received, transmitting, to the UE, an indication to reconfigure the split bearer, wherein the indication to reconfigure the split bearer identifies a second primary leg for the split bearer, wherein the indication to reconfigure the split bearer includes an indication to recover the second uplink packet; and

receiving, from the UE, the second uplink packet via the second primary leg.